0.8mm Wire Feeder Roller is a crucial component in wire feeder systems used in welding processes like MIG (Metal Inert Gas) or flux-cored arc welding. These are typically made from hardened steel or other durable materials capable of withstanding the pressure and friction exerted during the wire feeding process. Proper tension adjustment ensures smooth and consistent wire feeding without causing wire deformation or bird nesting (tangled wire). They come in various sizes and configurations to accommodate different wire diameters, types, and materials. The primary function of 0.8mm Wire Feeder Roller is to feed the welding wire from the wire spool through the welding torch and into the weld pool.