Best Welds 900-MCK-TW4 Tweco Style 400 Amp MIG Gun Consumable Kit

Consumable kit in the Tweco pattern for 250 amp MIG guns, bundling the contact tips, nozzles, and diffusers needed to keep a gun running through production. Stocking a matched kit cuts downtime when...

Slide-on insulator rated to 400 amps for Best Welds Tweco Style No. 4 MIG guns, isolating the nozzle from the tip assembly to prevent shorting. Holds up to the heat of high-amperage welding as a...

Gas diffuser built to the Tweco pattern, threading into the MIG gun head to meter shielding gas evenly into the nozzle while seating the contact tip. A worn diffuser leaks gas and loosens the tip, so...

Gas Diffuser, Brass, 250 A, For Best Welds, Tweco Style No 2 MIG Guns

Heavy-duty 400 amp MIG gun on a 15 ft lead with a Miller-style connector plug, set up for 1/16 inch wire. Built for high-deposition welding on thick steel and structural work, it mounts to compatible...