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Updated: Published:

PRODUCT UPDATE | 411-3MP, 1620004P  

Effective March 16, 2026, screw 411‑3MP and screw cover 1620004P have been updated. 

411‑3MP Screw (Updated Design) 

  • Updated thread spec: M5‑0.8 × 12 mm, including self‑locking nylon patch. 
  • Compatible with Bernard Semi-Automatic Air-Cooled BTB and Self-Shielded IronProTM MIG Guns with T‑Series handles. 

1620004P Screw Cover (Updated Material) 

  • Upgraded material for form fitting installation. 

These updated parts will be used on all applicable product builds moving forward. 

If you have any questions, please contact Customer Service at 855.MIGWLED (644.9353) or cs@itwmig.com. 

For questions or additional support, contact our Customer Service team at 855.644.9353 (MIGWELD) or email cs@bernardtregaskiss.com. 

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As manufacturers of semi-automatic, fixed automatic and robotic MIG guns and consumables, Tregaskiss and Bernard have earned a reputation as an experienced, dependable partner to its customers in the automotive, construction and fabrication, heavy equipment, ship, rail, general manufacturing, commercial truck and trailer, and oil and gas industries. Tregaskiss and Bernard offer air-cooled semi-automatic, fixed automatic and robotic MIG guns, water-cooled semi-automatic, fixed automatic and robotic MIG guns, reamers, nozzle cleaning stations, anti-spatter liquid, wire cutters, anti-spatter sprayers, clutches, welding consumables, nozzles, MIG welding tips, and MIG welding torches.