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The ITW Miller Tregaskiss 403-20-30 (40320301000) is a heavy-duty (HD) copper contact tip designed for the TOUGH LOCK consumable system. It is engineered for 0.030" (0.8 mm) wire diameters and utilizes a mandrel-drawn manufacturing process to maintain precise tolerances for industrial MIG welding applications.
Features
Dual-lead threads for rapid replacement
Reversible design to extend service life
Mandrel-drawn copper construction for precise internal diameter tolerances
Dual taper technology compatibility for increased surface contact
Enhanced heat dissipation
Lower contact tip operating temperatures when mated with TOUGH LOCK retaining heads
Common Consumables Platform™ integration for cross-brand compatibility
Specifications
Manufacturer: ITW / Miller / Tregaskiss
Part Number: 403-20-30 (Tregaskiss) / 40320301000 (ITW Miller)
Wire Diameter: 0.030" (0.8 mm)
Duty Rating: Heavy Duty (HD)
Material: Mandrel-drawn high-conductivity copper
Thread Type: Dual-lead threads
System Compatibility: TOUGH LOCK Consumable Series
Retaining Head Compatibility: 404-20, 404-26, 404-30, 404-32
Manufacturing Process: Mandrel-drawn for controlled tolerances