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ITW Tregaskiss 603-20-18-25 TOUGH LOCK Extra Heavy Duty (EHD) contact tip designed for high-amperage MIG welding applications utilizing large-diameter wire. This component is part of the 603-20 series engineered for wire sizes that exceed the capacity of standard heavy-duty series.
Features
Dual Taper Technology: Secures consumables from contact tip to neck to improve weld consistency and heat dissipation.
Mandrel-Drawn Construction: Manufacturing process that controls tip tolerances and ensures electrical conductivity.
Dual-Lead Thread: Enables 180° rotation of the contact tip to a new wear position to extend service life.
High-Amperage Capacity: Specifically engineered for large wire sizes including 7/64" and 1/8".
Heat Dissipation: Design maximizes thermal transfer to maintain lower operating temperatures for front-end consumables.
Specifications
Manufacturer Part Number: 603-20-18-25
Series: TOUGH LOCK™ Extra Heavy Duty (EHD)
Wire Diameter: 1/8" (3.2 mm)
Outer Diameter (O.D.): 0.375"
Material: Mandrel-drawn copper
Thread Design: Dual-lead
Taper Design: Dual-taper
Applications
High-amperage MIG welding
Large-diameter wire welding (1/8" / 3.2mm)
Compatible with Tregaskiss™ TOUGH GUN™ systems
Compatible with Bernard® BTB MIG Guns
Compatible with Bernard® TGX, T-Gun, and Clean Air MIG Guns
Integration with TOUGH LOCK Heavy Duty Retaining Heads
