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Radnor 64005646 (Ref No: 57Y04) is a short back cap designed for 17, 18, and 26 series TIG/GTAW torches. It provides mechanical pressure to the collet to secure the tungsten electrode and creates a hermetic seal at the rear of the torch head to prevent shielding gas leakage.
Features
Short profile for maneuvering in confined spaces
Phenolic body construction
Brass threading for electrode locking
Pre-installed O-ring for airtight sealing
Electrical insulation to prevent arc wandering or shorting
Mechanical pressure application to collet for tungsten retention
