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The MK Products 615-0178 is a bulk white Teflon (PTFE) barrel liner designed for push-pull MIG guns. It is specifically engineered to facilitate low-friction feeding for 0.030 inch to 0.035 inch diameter welding wire, particularly 4000 series aluminum wire, to maintain feed consistency and prevent wire deformation.
Features
Low-friction feeding surface
Engineered to reduce wire shaving
Prevents birdnesting in aluminum welding applications
Bulk configuration allows for custom length cutting
High-temperature resistance (PTFE construction)
Specifications
Manufacturer Part Number: 615-0178
Material: Teflon (PTFE)
Color: White
Inside Diameter (ID): 0.084 in
Outside Diameter (OD): 0.160 in - 0.174 in
Compatible Wire Sizes: 0.030 in - 0.035 in
Compatible Wire Type: 4000 series aluminum
Format: Bulk (Sold by the foot, typically in 10 ft increments)
Overall Length: 0.63 ft (per unit) / 10 ft (per pack)
Applications
Push-pull MIG welding
Aluminum welding
Compatible with MK Products Cobra torches
Compatible with MK Products Python torches (including 232-8XX models)