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The Miller 404-31-25 is a brass TOUGH LOCK retaining head and gas diffuser designed for industrial MIG welding. It utilizes dual-taper technology to secure the contact tip to the neck, increasing surface area contact to facilitate thermal dissipation and maintain electrical conductivity.
Features
Dual Taper Technology locks consumables from contact tip to neck
Increased surface area contact between retaining head, contact tip, and neck
Thermal dissipation through increased contact points
