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The ESAB Tweco 1420-1142 is a specialized Teflon (PTFE) MIG gun conduit liner designed for low-friction wire feeding. It features a 15-foot flexible conduit length with a machined brass alloy rear retaining block. The liner is specifically engineered to accommodate aluminum and soft filler wires, preventing wire shaving and birdnesting during the welding process.
Features
Ultra-low coefficient of friction core eliminates wire shaving and erratic feeding
Non-metallic bore geometry ensures zero carbon cross-contamination for x-ray quality aluminum beads
Machined free-cutting brass stop prevents structural micro-shifting under rotational torque
