Tweco mig gun, steps showing how to change the mig welding gun consumables on a TWECO number 2 torch.
Binzel mig gun MB24, steps showing how to change the mig welding gun consumables on an abicor binzel torch.
Contact tips are a welding consumable. They transfer the power from the mig welding power source to the wire through the mig welding gun handle.
A welding nozzle directs the flow of shielding gas when you are MIG or MAG welding.