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Introducing AccuLock™ S Consumables

It all comes together with AccuLock logo

AccuLock™ S Consumables with Bernard® Conventional Rear-Loading Liners on Miller® Packages

Image of AccuLock Conventional and Miller Deltaweld
Image of AccuLock Conventional and Miller Deltaweld

Bernard® BTB MIG Guns with select Miller® packages will begin shipping on March 7, 2023 with a version of AccuLock that consists of a diffuser compatible with the common conventional style liners you are used to using, plus the added benefit of standard AccuLock S contact tips and nozzles.

AccuLock™ can transform the way businesses manage their MIG welding gun consumables — helping to optimize productivity, operating costs and welder confidence.

  • Less tip changes
  • Less welding troubleshooting
  • More beads worth bragging about

You will benefit from:

Longer Tip Life

  • Reduced contact tip replacement frequency
  • Contact tips are 60% buried within the diffuser for less exposure to the heat of the weld
  • Mating tapers on both tip-to-diffuser and diffuser-to-neck connection for good electrical conductivity
  • Shielding-gas cools contact tip tail
  • Less rework and ease of maintenance/replacement

Less Rework and Ease of Maintenance

  • Coarse thread contact tips speed tip replacement
  • Steel retaining ring on diffuser helps keep threaded nozzle in place during use/cleaning

Upgrade to AccuLock S Dual-Locked Liners to receive all the benefits above plus:

  • Error-proof liner replacement, every time, with no measuring required!
  • Flawless wire feed path — AccuLock S front-load liners are locked and concentrically aligned to both the contact tip and the power pin, optimizing wire feeding, which eliminates welding liner misalignment gaps from your troubleshooting list

Why offer conventional liners with AccuLock S consumables?

We’re offering conventional liners with AccuLock S consumables to make it as easy as possible to convert existing fleets of BTB MIG Guns from Centerfire™ or TOUGH LOCK® to AccuLock S consumables. To convert your current guns from Centerfire or TOUGH LOCK to AccuLock consumables, simply swap out the nozzle, diffuser and contact tip. You can continue to use your existing conventional liner without retrimming. Later, when you want the additional benefits offered by the AccuLock S dual-locked liner, you can upgrade your existing guns by swapping out the diffuser, liner and power pin cap or you can begin purchasing new guns with the full AccuLock S system.

Click here to download the AccuLock S Consumables Conversion Guide for Miller Packages. This detailed guide contains all the part numbers needed to convert your existing guns to AccuLock or to re-order the AccuLock consumables that came with your Miller package.

System Components and Peripherals

Clutch mount clamp for TOUGH GUN CA3 robotic air-cooled MIG guns
Solid mount clamp for TOUGH GUN CA3 robotic air-cooled MIG guns

Clamps and Mounting Arms

TOUGH GUN® clamps and mounting arms are made of tough yet resilient aluminum. These products are engineered to provide a robust and durable connection for the TOUGH GUN CA3 robotic air-cooled MIG gun.

The TOUGH GUN clutch clamp triggers an emergency stop in the event of a robotic collision and its new compact design allows for a larger working envelope. The TOUGH GUN solid mount clamp is available for clutchless models, offering the same increased working envelope.


Insulating disc

Insulating Discs

Insulating discs help to protect your robotic investment by insulating robots and their controllers from the weld current, and are available with different bolt patterns for attaching TOUGH GUN robotic MIG guns to various brands of robots.


Neck checking fixture

Neck Checking Fixtures

For applications where verification of tooling is a requirement, the TOUGH GUN neck checking fixture provides the opportunity to verify the accuracy of the neck to the intended tool center point (TCP). Further, an adjustment handle is provided to help implement minor adjustments if required.

  • Accommodates a wide variety of standard necks
  • Special kits are available for customized Tregaskiss necks

Legacy TOUGH GUN clutch

Legacy Clutch

Compatible with TOUGH GUN CA3 and legacy TOUGH GUN G1 series robotic air-cooled MIG guns, the original TOUGH GUN clutch is designed to e-stop your robot with a deflection of only 1° in the event of a robotic collision. 


Solid arm mount

Solid Arm Mounts

Made of high-strength aluminum, the TOUGH GUN solid arm mount can replace a clutch on TOUGH GUN CA3 and legacy TOUGH GUN G1 series systems using collision detection software.


    Feeder Connections

    Bernard and Tregaskiss offer a comprehensive selection of feeder connections for the most popular wire feeder models on the market. Select from the following:


    Group of four power pins for MIG welding guns

    Power Pins

    Power pins provide a direct connection for wire, electrical current and gas flow between various wire feeder to MIG welding guns.


    Coiled quick-connect block

    Quick-Connect Blocks and Adaptors

    Quick-connect blocks and adaptors provide an adaptive bridge from your existing welding gun power pin to a different kind of feeder connection.


    Control plug

    Control Plugs

    Control plugs transmit an on/off signal from the semi-automatic MIG gun trigger to the feeder as well as the dual schedule control (if equipped).

      MIG Welding Gun Liners

      Bernard and Tregaskiss offer various conventional rear-loading, innovative front-loading, and other revolutionary MIG welding liner solutions.


      Coiled AccuLock S liner

      NEW!! AccuLock™ S Liners

      Load and Lock for Better Productivity

      • Flawless wire-feed path – An essential component of the complete AccuLock S consumables system, AccuLock S liners are locked and concentrically aligned to both the contact tip and the power pin.
      • Error-proof liner replacement every time with no measuring!

      QUICK LOAD Liners

      QUICK LOAD® Liners

      Load your liners from the front of the MIG gun in less than half the time it takes to install conventional liners.


      QUICK LOAD Autolength cutaway image

      QUICK LOAD Liner AutoLength™ System

      Minimize downtime, wire feeding and quality issues commonly associated with short liner length.


      Family of color-coded Bernard conventional liners

      Bernard Conventional Liners

      • Simplify and reduce your inventory with Bernard® conventional liners
      • Color-coded by wire size for ease of identification
      • Made of high carbon music wire to achieve smooth wire feed and long life
      • These rear-loading liners won’t gap when bent

      Coiled conventional liner shown from top at 45-degree angle

      Conventional Liners

      Ideal for aluminum, steel, stainless steel and flux-cored wire, conventional liners are made of high carbon music wire for smooth wire feed and long life.

      Please accept preferences, statistics, marketing cookies to watch this video.
      AccuLock™ S with Dual-Locking Liner System – Addressing the Pains of Conventional Liners
      Please accept preferences, statistics, marketing cookies to watch this video.
      AccuLock™ S with Dual-Locking Liner System – Optimizing Front-End Consumable Life
      Please accept preferences, statistics, marketing cookies to watch this video.
      AccuLock™ S with Dual-Locking Liner System – Reusing an AccuLock™ S Dual-Locking Liner

        MIG Gun Consumables

        Genuine Bernard® and Tregaskiss® consumables enhance the performance of your MIG welding gun. They are manufactured to the same durable, high-performance standards as every MIG welding product we build, and they deliver the improved performance you’ve come to know and expect from us.


        AccuLock S consumables family including contact tip, nozzle, diffuser, liner and power pin

        AccuLock™ S Consumables

        Load and lock for better productivity

        • Flawless wire-feed path — AccuLock S liners are locked and concentrically aligned to both the contact tip and the power pin
        • Error-proof liner replacement every time with no measuring!
        • 2-3x longer contact tip life due to optimized wire feeding
        • Reduce parts to reduce errors with a common contact tip designed for maximum compatibility across MIG gun series, types and amperages

        Image of AccuLock R consumables family including contact tips, nozzle and diffuser

        AccuLock™ R Consumables

        Load and lock for better throughput

        • Longer contact tip life
        • Eliminate contact tip cross-threading issues, resulting in reduced downtime, scrap and rework costs
        • Reduce parts to reduce errors with a common contact tip designed for maximum compatibility across MIG gun series, types and amperages


        TOUGH LOCK consumables family

        TOUGH LOCK® Consumables

        • Dual taper technology keeps consumables locked in place for accuracy and repeatability
        • Tapered connections provide excellent electrical conductivity for cooler temperatures and long tip life
        • Common consumables platform™ — use one line of consumables for both Tregaskiss® and Bernard® MIG guns

        Centerfire consumables family shown with contact tips, nozzle and diffuser

        Centerfire™ Consumables

        • Thread-on nozzles and drop-in contact tips can be quickly replaced without tools
        • Spatter shield within nozzle protects diffuser and gives smoother, less turbulent gas flow
        • Provides better arc starts, less spatter and more consistent welds


        Quik Tip consumables family showing contact tips, nozzle and diffuser

        Quik Tip™ Consumables

        • A quick twist is all it takes for contact tip installation
        • Diffusers secure contact tips in a fixed position for consistent welds
        • Threaded taper lock between the tip and diffuser provides excellent heat transfer and electrical conductivity


          Robotic MIG Guns

          Vibration, heating and cooling cycles, severe rotational movement, the whipping action of the cable, and the occasional crash require a durable robotic MIG welding gun. Tregaskiss® robotic MIG guns are tough enough to meet the challenge! All robotic MIG guns are built-to-order and come ready to rumble right out of the box.

          TOUGH GUN TA3 Robotic Air Cooled MIG Gun
          TOUGH GUN® TA3 Robotic Air-Cooled MIG Guns
          for through-arm style robots
          Image of Tregaskiss TOUGH GUN CA3 robotic MIG gun with 45 degree neck
          TOUGH GUN® CA3 Robotic Air-Cooled MIG Guns
          for conventional style robots

            Tregaskiss MIG Guns, Consumables and Robotic Peripherals

            Maximizing Throughput. Minimizing Costs.

            Automated welding applications require flexible, repeatable solutions that maximize production uptime and throughput while minimizing costs. This is why industrial manufacturers rely on Tregaskiss and its proven track record for delivering reliable, resilient, repeatable and fully configurable robotic MIG welding guns, fixed automatic MIG guns, nozzle cleaning stations and innovative welding gun consumables.

            You need reliable MIG guns, consumables and welding products that are readily available and offer consistent performance. Simplicity, ease of maintenance and durability are always part of our design specifications.


            AccuLock R consumables family including contact tips, nozzle and slip-on diffuser
            MIG Gun Consumables
            TOUGH GUN TA3 robotic air-cooled MIG gun installed on robot
            Robotic MIG Guns
            MA1 air-cooled and MW1 water-cooled fixed automatic MIG guns with straight necks
            Fixed Automatic Guns
            TOUGH GUN TT4 Reamer
            Nozzle Cleaning Stations
            New 2021 TOUGH GARD anti-spatter liquid product family
            Anti-Spatter Liquid

              Bernard MIG Guns, Consumables and Accessories

              Engineered for Simplicity. Built for Durability.

              Consider the impact of MIG guns on your business. As much as 85% of hand-held welding costs are labor related. What is the real cost of using outdated equipment with poor ergonomics and excessive consumable and replacement part inventories?

              The Bernard team can help all of your welders configure the MIG gun that is perfectly suited to their preferences and welding applications while keeping related parts and consumables to a minimum. Happy and healthy welders are productive welders – a win-win for all involved!


              AccuLock S consumables family including contact tip, nozzle, diffuser, liner and power pin
              MIG Gun Consumables
              Group of four semi-automatic MIG welding guns
              Semi-Automatic Guns
              Clean Air fume extraction MIG gun with new black neck
              Fume Extraction Guns
              Dura-Flux self-shielded flux-cored gun with replaceable power cable liner
              Self-Shielded Flux-Cored Guns
              bernard short stub
              Manual Welding Accessories

              AccuLock™ S Consumables

              Load and lock for better productivity

              • Flawless wire-feed pathAccuLock S liners are locked and concentrically aligned to both the contact tip and the power pin without the use of fasteners
              • Error-proof liner replacement every time with no measuring!
              • 2-3x longer contact tip life due to optimized wire feeding

                Semi-Automatic Water-Cooled MIG Guns

                Choose between two fully configurable industrial-duty semi-automatic water-cooled MIG gun lines, both engineered for superior performance in production environments requiring extremely high-heat applications.


                W-Gun semi-automatic water-cooled MIG gun

                W-Gun™ MIG Guns

                • 600 amp model available
                • Curved handle design with multiple trigger options to accommodate operator preference and comfort

                Family of two T-Gun semi-automatic water-cooled MIG Guns

                T-Gun™ MIG Guns

                • 400 (compact series), 450 and 600 amp models available
                • Straight handle design to accommodate operator preference and comfort

                  Semi-Automatic MIG Guns

                  Choosing the right tool for the job is important!

                  Consider the impact of MIG guns on your business.
                  As much as 85% of hand-held welding costs are labor related.
                  What is the real cost of using outdated equipment with poor ergonomics and excessive consumable and replacement part inventories?

                  Bernard industrial semi-automatic air- and water-cooled MIG welding guns are designed specifically to accommodate a variety of welding styles, preferences and applications, while keeping related parts and consumables to a minimum. Happy welders are productive welders – a win-win for all involved!

                  Image showing three different hand-held BTB MIG guns
                  BTB Semi-Automatic Air-Cooled MIG Guns
                  Industrial-duty
                  200-600 amp models
                  250 amp S-Gun semi-automatic air-cooled MIG gun
                  S-Gun™ Semi-Automatic Air-Cooled MIG Guns
                  Ideal for shipbuilding and construction industries
                  250 amp models
                  TGX XL series semi-automatic air-cooled MIG gun
                  TGX® Semi-Automatic Air-Cooled MIG Guns
                  Light- to medium-duty
                  180-400 amp models
                  T-Gun Semi-Automatic Water-Cooled MIG Guns
                  T-Gun™ Semi-Automatic Water-Cooled MIG Guns
                  Ideal for high-heat applications
                  400-600 amp models

                    Self-Shielded Flux-Cored Guns

                    Bernard offers two lines of self-shielded flux-cored welding guns to choose from, one with a fixed power cable liner and the other with a replaceable power cable liner.

                    Not sure which FCAW gun is right for you?

                    Use the chart below to determine the right tool for the job.

                    IronPro 450 amp short and long neck FCAW gunDura-Flux self-shielded flux-cored gun with replaceable power cable linerDura-Flux self-shielded flux-cored gun with fixed power cable liner
                    FeaturesNEW! IronPro™
                    Self-Shielded Gun
                    Dura-Flux Gun with
                    Replaceable Power Cable Liner
                    Dura-Flux Gun wtih
                    Fixed Power Cable Liner
                    Amperage450350350
                    Internal trigger leadsYesYesNo
                    Replaceable linerYesYesNo
                    Fixed linerNoNoYes
                    Optional dual schedule switchNoYesNo
                    Hi-Viz™ neckNoYesNo
                    AccuLock™ S contact tipsYesNoNo
                    Centerfire™ contact tipsNoYesNo
                    Quik Tip™ contact tipsNoNoYes
                    Wire size range5/64″ (2.0 mm) – 3/32″
                    (2.4 mm)
                    0.045″ (1.2 mm) – 5/64″ (2.0 mm)1/16″ (1.6 mm) – 3/32″ (2.4 mm)
                    Please accept preferences, statistics, marketing cookies to watch this video.

                    Robotic Air-Cooled MIG Guns

                    Our lineup of fully configurable TOUGH GUN® robotic air-cooled MIG guns are engineered to be robust, resilient and repeatable in the toughest automation applications of high volume production environments. Available for both conventional and through-arm style robots, TOUGH GUN robotic MIG guns are up for the challenge!


                    TOUGH GUN TA3 robotic air-cooled MIG gun installed on robot

                    TOUGH GUN® TA3 MIG Guns

                    • Available in 350 amp models
                    • Runs internal to the robot arm
                    • Available as a complete package – from the power pin to the contact tip – for ABB®, COMAU®, FANUC®, Kawasaki®, KUKA®, Miller®, OTC Daihen®, Panasonic® and Yaskawa® Motoman® robots

                    TOUGH GUN CA3 robotic air-cooled MIG gun with medium length 45-degree neck

                    TOUGH GUN CA3 MIG Guns

                    • Available in 385 amp models
                    • Runs external to the robot arm
                    • Replaceable unicable reduces downtime through faster repair and extended service life
                    • Cable guide minimizes stress on cable connection as the robot articulates

                      Nozzle Cleaning Stations

                      TOUGH GUN TT4 Reamer - front view

                      Automating spatter removal helps to extend the life of your robotic MIG guns and consumables, benefiting your bottom line, production uptime and throughput. Choose between our TOUGH GUN® TT4A reamer (analog model), or our new TOUGH GUN TT4E reamer (ethernet model) further enhanced with digital ethernet communication for better integration.

                      FeaturesTOUGH GUN
                      TT4A Reamer (Analog)
                      TOUGH GUN
                      TT4E Reamer (Ethernet)
                      Communications protocolManual Source/SinkSignal from PLC
                      Sprayer comes standardYesYes
                      Anti-spatter fluid reservoir (comes standard) YesYes
                      Low fluid level indicator (comes standard)YesYes
                      Dedicated motor lubricator (comes standard)YesYes
                      Spray containment unit (comes standard)YesYes
                      Spindle (full stroke distance)YesYes
                      4-sided v-block for standard nozzle sizes YesYes
                      Tregaskiss® cutter blade compatibleYesYes
                      Quick-change base plateYesYes
                      Daisy chain compatibility to minimize cell wiringNoYes
                      Double stroke functionNoYes
                      Program custom ream cycleNoYes
                      Network connectionNoYes
                      Optional nozzle detect availableYesYes
                      Optional wire cutter availableYesYes
                      Optional filter/regulatorYesYes
                      Compatible with TOUGH GUN® reamer stand*YesYes
                      Compatible with TOUGH GARD® anti-spatter multi-feed system*YesYes

                      *Sold separately

                      Identify TOUGH GUN TT4A reamer by part number and set switch plate
                      TOUGH GUN TT4A Reamer (side views)
                      Identify TOUGH GUN TT4E reamer by part number and set switch plate
                      TOUGH GUN TT4E Reamer (side views)

                      Fixed Automatic MIG Guns

                      Tregaskiss® fixed automatic MIG guns are engineered for hard tooling applications requiring a simple, durable and repeatable MIG gun. Available in air- and water-cooled models ranging from 350 to 600 amps, these automatic torches can be configured with the same consumables as your Bernard® semi-automatic or Tregaskiss robotic MIG guns to simplify your inventory.

                      High-performance consumables plus the armored neck and body plus the simple internal connections equal a torch that is quick and easy for you to maintain for maximum uptime and throughput.

                        Conversion Series Consumables

                        Product shot of AccuLock S nozzle, contact tip, gas diffuser.

                        Not currently using a Bernard® or Tregaskiss® MIG gun?

                        You can still experience immediate benefits from AccuLock®, Centerfire™*, TOUGH LOCK® or Quik Tip™ consumables using competitive conversion parts. Enhance performance and standardize consumables for all your gun brands to minimize inventory management costs.

                        Gun ManufacturerGun
                        Model
                        Nozzle/
                        Diffuser Style
                        AdaptorInsulatorDiffuserContact TipNozzle
                        Bernard®BTB Semi-Automatic MIG GunSmallNot required4623RDS-A1-C (thread-on)
                        DS-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        BernardBTB Semi-Automatic MIG GunLargeNot required4623RD-A1-C (thread-on)
                        D-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Tweco®No. 1, No. 2Small138003010012DS-A1-C (thread-on)
                        DS-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Tweco®No. 1, No. 2Large138003010012D-A1-C (thread-on)
                        D-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Tweco®No. 3, No. 4, Tuff-n-Lite, Supra® XT (HD consumables), Spray Master 450SmallNot requried10012DS-A1-C (thread-on)
                        DS-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Tweco®No. 3, No. 4, Tuff-n-Lite, Supra® XT (HD consumables), Spray Master 450LargeNot required10012D-A1-C (thread-on)
                        D-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Lincoln®Magnum® 250Small138003010012DS-A1-C (thread-on)
                        DS-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Lincoln®Magnum® 250Large138003010012D-A1-C (thread-on)
                        D-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Lincoln®Magnum® 300, Magnum® 400SmallNot required10012DS-A1-C (thread-on)
                        DS-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        Lincoln®Magnum® 300, Magnum® 400LargeNot required10012D-A1-C (thread-on)
                        D-A2-C (slip-on)
                        See
                        note below*
                        See
                        note below*
                        *Choose contact tips and nozzles from AccuLock S spec sheet.
                        Note: Ue small nozzles with small diffusers and large nozzles with large diffusers.
                        Gun
                        Manufacturer
                        Gun ModelGun NeckAccuLock Conversion
                        Diffuser
                        Neck
                        Insulator
                        Adaptor
                        Fronius®TPSiCompatible with M12x1.0 threadD-ATTH-F4C Not
                        required
                        Not
                        required
                        Gun ManufacturerGun ModelNozzle / Diffuser StyleAdaptorInsulatorDiffuser
                        Binzel®ALPHA 3, ALPHA 3 automaticSmallNot required4323RDS-1B3
                        BinzelALPHA 4, ALPHA 4 automaticsLargeNot required4323RD-1B4
                        Lincoln®Magnum® 250Small13800054323RDS-1
                        LincolnMagnum 300, Magnum 400SmallNot required4323RDS-1T
                        LincolnMagnum 300, Magnum 400LargeNot required4423RD-1T
                        LincolnMagnum Pro 300, Magnum Pro 400LargeNot required4323RD-1LP3
                        Miller®XR EdgeSmall13800184323RDS-1
                        MillerXR EdgeLarge138001810012D-1
                        MillerXR30A, XR-W, Roughneck, PythonSmallNot required4323RDS-1
                        MillerXR30A, XR-W, Roughneck, PythonLargeNot required10012D-1
                        MillerAluma-Pro™SmallNot required4323RDS-1AP
                        MillerAluma-ProLargeNot required10012D-1AP
                        Tweco®#3, #4, Tuff-n-Lite, Supra® XT (HD consumables)SmallNot required4323RDS-1T
                        Tweco#3, #4, Tuff-n-Lite, Supra XT (HD consumables)LargeNot required4423RD-1T
                        TwecoSpraymaster® 450LargeNot required4423RD-1T
                        TwecoELC 250, ELC 350, Spraymaster 250, Spraymaster 350Small13800124323RDS-1
                        TwecoELC 250, ELC 350, Sprayermaster 250, Spraymaster 350Large138001210012D-1
                        TwecoELC 450, EL 450, Supra XT (EL consumables)Large138001710012D-1

                        Conversion Consumables Installation

                        1. Install conversion adaptor (if required).
                        2. Install insulator cap over conversion adapter.
                        3. Proceed with Centerfire (or Centerfire HD series) installation.

                        *Available for semi-automatic welding applications only.

                        Gun ManufacturerGun ModelGun NeckTOUGH LOCK Retaining HeadNeck InsulatorAdaptor
                        Lincoln®Magnum® 300KP1928, KP1929, KP1941404-20^4423RNot required
                        LincolnMagnum 400KP1928, KP1929, KP1941404-20^4423RNot required
                        LincolnMagnum Pro (slip-on nozzle)404-73402-28Not required
                        LincolnMagnum Pro (thread-on nozzle)404-75-25402-28Not required
                        Tweco®#363J-60404-20^4423RNot required
                        Tweco#464J-60404-20^4423RNot required
                        TwecoSpray Master™ 350MS63-60404-20^4423RNot required
                        TwecoSpray Master 450MS64H-60404-20^4423RNot required
                        TwecoWeldSkill® 40064A-60404-20^4423RNot required

                        ^The 404-20 retaining head will fit on most necks with an external 9/16″-18 thread regardless of angle

                        Gun ManufacturerGun ModelAdaptorInsulatorCompatible DiffusersCompatible Nozzles
                        Lincoln®Magnum® 250138000510012D118N1C12, N1C58, N1C34HD, N1C58HD
                        Tweco®ELC 250, ELC 350, Spraymaster® 250, Spraymaster 350138001210012D118N1C12, N1C58, N1C34HD, N1C58HD
                        TwecoELC 450, EL 450, Supra® XT (EL consumables)138001710012D118N1C12, N1C58, N1C34HD, N1C58HD
                        Gun ManufacturerGun ModelAdaptorInsulatorCompatible DiffusersCompatible Nozzles
                        TwecoELC 250, ELC 350, Spraymaster® 250, Spraymaster® 350138001210012D1FQ, D118Q, D114QN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ
                        TwecoELC 450, EL 450, Supra® XT (EL consumables)138001710012D1FQ, D118Q, D114QN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ
                        Lincoln®Magnum® 250138000510012D1FQ, D118Q, D114QN1C12Q, N1C58Q, N1C34Q, N1C34HQ, N1C58HQ

                        Conversion Consumables Installation

                        1. Install conversion adaptor (if required).
                        2. Install insulator cap over conversion adaptor.
                        3. Trim liner to correct dimension for the diffuser being used.
                        4. Torque diffuser onto the neck to approximately 12 ft-lbs.
                        5. Insert contact tip into the diffuser and lock into position with a clockwise motion.
                        6. Thread nozzle onto the diffuser and tighten firmly by hand.

                          Common Consumables Platform

                          Tough yet flexible!

                          The Common Consumables Platform™ means less consumable inventory is needed to maximize flexibility and productivity across a variety of MIG welding applications.

                          Durable, long-lasting Bernard® and Tregaskiss® consumables are designed for maximum flexibility and compatibility between a variety of consumable parts, gun models, and welding applications.

                          AccuLock™ Consumables

                          Bernard AccuLock™ S and Tregaskiss AccuLock R consumables share a common contact tip. If you have a combination of Tregaskiss robotic, fixed automatic and Bernard semi-automatic MIG guns in your facility, you’ll benefit from the reduced costs and simplified inventory of a Common Consumable Platform.

                          LOAD and LOCK to reduce downtime, troubleshooting and rework. Contact your local sales representative for more information.

                          Common Consumable Platform chart

                          TOUGH LOCK® Consumables

                          In most cases, the same Tregaskiss nozzles, TOUGH LOCK® contact tips and QUICK LOAD® liners can be used with Tregaskiss TOUGH GUN® robotic and fixed automatic MIG guns, and Bernard® BTB and TGX® semi-automatic MIG guns.

                            Configure My Gun

                            Configure Your Gun Online

                            Computer monitor, tablet and cell phone displaying the Bernard MIG gun configurators

                            Build your ultimate MIG gun or reamer today using our mobile-friendly configurators.

                            We recognize that welding applications differ and sometimes only a customizable, industrial-duty MIG gun will get the job done. That’s why we offer fully configurable semi-automatic, robotic and automatic MIG welding guns and reamers that can be customized for your specific application.


                            BTB MIG Semi-Automatic Air-Cooled MIG Gun Configurator

                            Configure the BTB semi-automatic air-cooled MIG gun part number your need, or reverse lookup your existing gun part number – plus get access to additional resources and an expanded replacement parts list with diagram.

                            This mobile-friendly online configurator, now including Bernard® AccuLock™ S Consumable options, provides downloadable exploded view diagrams and other valuable takeaways that you can print, save in PDF format for later, or share via email.

                            Gun Part Number Conversion Tool
                            Click here to convert your legacy Q-Gun™, S-Gun™ and T-Gun™ MIG gun part number to a BTB MIG gun part number.

                            Configure a BTB semi-automatic air-cooled MIG gun online
                            Find the replacement parts list and other details for the BTB semi-automatic air-cooled MIG gun you already have

                            Clean Air™ Fume Extraction MIG Gun Configurator

                            Now with curved and straight handle options, the Clean Air™ fume extraction gun was redesigned to closely match the weight, handle size, durability and industrial grade performance of Bernard BTB MIG guns.

                            Use our new mobile-friendly online configurator to configure the gun part number your need, or reverse lookup your existing Clean Air fume extraction gun part number. Plus get access to additional resources and an expanded replacement parts list with diagram that can be printed, saved in PDF format for later use, or shared via email.

                            Gun Part Number Conversion Tool
                            Click here to convert your legacy FILTAIR™ fume extraction MIG gun part number to a Clean Air fume extraction MIG gun part number.

                            Configure a Clean Air fume extraction MIG gun online
                            Find the replacement parts list and other details for the Clean Air fume extraction MIG gun you already have

                            TGX® Semi-Automatic Air-Cooled MIG Gun Configurator

                            For light- to medium-duty welding applications, the TGX® semi-automatic air-cooled series is the way to go! TGX MIG guns are ideally suited for lower amperage welding applications and shorter arc-on times.

                            Use our new online configurator to get a list of all the components you’ll need to order to assemble your MIG gun through the TGX Easy As 1-2-3! program, or find the factory-built TGX Ready To Weld MIG gun part number you need to order so you can start welding right out of the box!

                            This new mobile-friendly online configurator provides downloadable exploded view diagrams and other valuable takeaways that you can print, save in PDF format, or share via email. Plus, you can now use our new reverse lookup tool to find a detailed replacement parts list for the TGX Ready To Weld MIG gun you already have!

                            Configure a TGX semi-automatic air-cooled MIG gun online
                            Find the replacement parts list and other details for the TGX Ready To Weld MIG gun you already have

                            TOUGH GUN® TA3 Robotic Air-Cooled MIG Gun Configurator

                            The TOUGH GUN TA3 robotic air-cooled MIG gun minimizes downtime and improves welding performance on today’s through-arm robotic welding systems.

                            Now you can get access to additional resources and an expanded replacement parts list with diagram when you configure the gun part number you need or reverse lookup your existing gun part number. This new mobile-friendly online configurator provides downloadable exploded view diagrams and other valuable takeaways that you can print, save in PDF format, or share via email.

                            Configure a TOUGH GUN TA3 robotic air-cooled MIG gun online
                            Find the replacement parts list and other details for the TOUGH GUN TA3 robotic air-cooled MIG gun you already have

                            TOUGH GUN® CA3 Robotic Air-Cooled MIG Gun Configurator

                            Designed for high-volume production environments, 385 amp TOUGH GUN CA3 robotic air-cooled MIG guns are engineered for precision, durability, accuracy, and repeatability.

                            Configure the gun part number you need, or reverse lookup your existing gun part number – plus get access to additional resources and an expanded replacement parts list with diagram. This new mobile-friendly online configurator provides downloadable exploded view diagrams and other valuable takeaways that you can print, save in PDF format for later, or share via email.

                            Gun Part Number Conversion Tool
                            Click here to convert your legacy TOUGH GUN G1 series MIG gun part number to a TOUGH GUN CA3 robotic air-cooled MIG gun part number.

                            Configure a TOUGH GUN CA3 robotic air-cooled MIG gun online
                            Find the replacement parts list and other details for the TOUGH GUN CA3 robotic air-cooled MIG gun you already have

                            Tregaskiss® 600 amp Robotic Water-Cooled MIG Gun Configurator

                            The 600 amp robotic water-cooled MIG gun is ready to take on the most demanding welding applications.

                            Additional resources and an expanded replacement parts list with diagram is now available when you configure the gun part number you need or reverse lookup your existing gun part number. Plus, get access to downloadable exploded view diagrams and other valuable takeaways that you can print, save in PDF format, or share via email, with this new mobile-friendly online configurator.

                            Configure a Tregaskiss 600 amp robotic water-cooled MIG gun online
                            Find the replacement parts list and other details for the Tregaskiss 600 amp robotic water-cooled MIG gun you already have

                            Tregaskiss® BA1 Cobot Air-Cooled MIG Gun Configurator

                            The Tregaskiss BA1 cobot air-cooled MIG gun is fast and simple to install on a variety of cobot models, it’s easy to use, and it consistently delivers high-quality welds.

                            Now you can configure the gun part number you need or reverse lookup your existing gun part number, plus get access to a detailed replacement parts list with diagram and additional resources. This new mobile-friendly online configurator provides downloadable exploded view diagrams and other valuable takeaways that you can print, save in PDF format, or share via email.

                            Configure a Tregaskiss BA1 cobot air-cooled MIG gun
                            Reverse lookup your existing Tregaskiss BA1 cobot air-cooled MIG gun part number

                            NEW! Tregaskiss MA1 & MW1 Fixed Automatic MIG Gun Configurator

                            Tregaskiss® MA1 fixed automatic air-cooled and MW1 fixed automatic water-cooled MIG guns are engineered for hard tooling automation applications requiring a simple, durable and repeatable MIG gun that maximizes uptime and throughput.

                            Now you can configure the gun part number you need, or reverse lookup your existing gun part number using our new mobile-friendly online configurator. Plus get access to additional resources and an expanded replacement parts list with diagram that you can print, save in PDF format for later, or share via email.

                            MW1 MIG Gun Part Number Conversion Tool
                            Click here to convert your legacy MW1 fixed automatic water-cooled MIG gun part number to an updated MIG gun part number.

                            Configure a MA1 or MW1 fixed automatic MIG gun online
                            Find the replacement parts list and other details for the MA1 or MW1 fixed automatic MIG gun you already have

                            NEW! Tregaskiss AW2 Fixed Automatic Water-Cooled MIG Gun Configurator

                            Available in 600 amp cable or cableless models, Tregaskiss AW2 fixed automatic water-cooled MIG guns are designed for dependable performance in high-amperage, high-temperature hard tooling welding applications.

                            Use our new mobile-friendly online configurator to configure the gun part number you need, or reverse lookup your existing gun part number – plus, get access to additional resources and valuable takeaways that you can print, save in PDF format for later, or share via email.

                            Configure a Tregaskiss AW2 fixed automatic water-cooled MIG gun, press button to get started
                            Find your replacement parts list and other details, click on button to get started

                            NEW! – TOUGH GUN® TT4 Reamer Configurator

                            The TOUGH GUN TT4 reamer robotic nozzle cleaning station helps extend the life of your robotic MIG guns and consumables and operates reliably in even the harshest welding environments.

                            Configure the TOUGH GUN TT4A reamer (analog) or TT4E (Ethernet) reamer part number you need, or reverse lookup your existing reamer part number using our improved online configurator. This new mobile-friendly configurator provides additional resources and an expanded replacement parts list with diagram, plus other valuable takeaways, that you can print, save in PDF format, or share via email.

                            Reamer Part Number Conversion Tool
                            Click here to convert your legacy TOUGH GUN TT3 reamer part number to a TOUGH GUN TT4A or TT4E reamer part number.

                            Configure my TT4 Reamer
                            Reverse Look up for the TT4 Reamer

                            Double-Life MIG Gun System

                            Double the life of your BTB MIG Gun!

                            Our built-to-order MIG guns keep on welding in the harshest and most abusive environments. The innovative Double-life MIG gun system* from Bernard allows you to extend the life of your BTB semi-automatic air-cooled MIG gun equipped with a T Series or C Series straight handle.

                            How It Works

                            BTB MIG guns with T Series and C Series straight handles have identical front and back handles and internal connections. Once the front end of the cable becomes worn, simply flip-flop the neck and trigger from the front end of the gun with the power pin on the back.

                            Arrows indicate that front and back end components of a straight handle BTB MIG gun model can be swapped to take advantage of the double-life MIG gun system

                            This results in a newer front handle to work with and the worn handle and cable moves to the feeder end of the MIG gun, extending the life of your gun.


                            *The Double-life MIG gun system is not compatible with B Series curved, B Series small curved, O Series curved, O Series small curved, or T Series small straight handle styles, or to any handle style if the MIG gun is equipped with Bernard®, OXO™ or Euro power pin options.

                              Dual Taper Technology

                              We’ve added a second taper at the rear of our TOUGH LOCK® retaining heads feature a second taper at the rear, so there is one taper for the contact tip connection and a second for the neck.

                              Exploded view of TOUGH LOCK consumables and cutaway showing dual taper technology
                              Dual Taper Technology

                              Dual taper technology creates a more secure seat, preventing the contact tip and retaining head from loosening due to vibration.

                              Dual taper technology:

                              • Locks your MIG gun from contact tip to the neck
                              • Keeps your consumables running cooler
                              • Improves electrical conductivity
                              • Decreases your downtime