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The Miller Weldcraft 22-7 is a replacement collet knob designed for WP-22 and WP-23 series water-cooled TIG torches. It functions as the mechanical interface that secures the collet within the torch body, ensuring the tungsten electrode is held firmly to maintain arc stability and electrical conductivity. The component includes a pre-installed Viton O-ring to maintain airtight shielding gas integrity and prevent leakage during automated or manual welding operations.
Features
Mechanical interface for securing collets within the torch body
Positive mechanical locking for tungsten electrode stability
Airtight shielding gas seal via pre-installed Viton O-ring
High-temperature resistant insulating outer shell for thermal protection
Machined copper alloy core for electrical conductivity and heat dissipation
Flush-fit design to prevent gas leakage
Thread-safe tightening design to prevent damage to torch head threads
Specifications
Manufacturer: ITW Miller / Weldcraft
Manufacturer Part Number: 22-7
Airgas Part Number: MIL22-7
Amperage Rating: 250 Amps
Cooling Method: Water-Cooled
Compatible Torch Models: WP-22, WP-23, W-500 Series
