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The ITW/Miller 403-20-564 is a heavy-duty threaded contact tip designed for 5/64" (2.0mm) welding wire. It is a component of the TOUGH LOCK™ consumable system, engineered for high-amperage robotic and semi-automatic GMAW and FCAW welding processes.
Features
Dual Taper Technology: Locks consumables from contact tip to neck to improve weld consistency
Dual-lead thread design: Allows contact tip to be rotated 180° to a new wear position
Mandrel-drawn construction: Controls internal tip tolerances
High-conductivity copper: Facilitates heat dissipation and cooler operation
Threaded locking mechanism: Prevents tip loosening during high-volume cycles
Extended service life: Achieved through rotatable wear positions and thermal management
Specifications
Manufacturer Part Number: 403-20-564
Wire Diameter: 5/64" (2.0 mm)
Material: DHP (Deoxidized High Phosphorus) Copper
Manufacturing Process: Mandrel-drawn
Thread Type: Dual-lead thread
Connection Type: Threaded with Dual Taper
Length: 34 mm (1.338")
Outer Diameter: 8 mm (0.315")
Standards Compliance: ISO 9001, EN60974-7
Warranty: Miller True Blue Warranty
Applications
Robotic GMAW (Gas Metal Arc Welding)
Semi-automatic GMAW (Gas Metal Arc Welding)
FCAW (Flux-Cored Arc Welding)
High-amperage welding applications
High-volume production environments
Compatible with Tregaskiss Robotic MIG Guns
Compatible with Bernard BTB MIG Guns
Compatible with Bernard TGX MIG Guns
Compatible with Bernard T-Gun MIG Guns
Compatible with Bernard Clean Air MIG Guns
Compatible with TOUGH LOCK Heavy Duty Retaining Heads
