MIG Guns For Miller | McMaster-Carr

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Velocity2 Spray Master 250

Velocity2 Spray Master 350

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4 Minutes On, 6 Minutes Off

8 Minutes On, 2 Minutes Off

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7 Products

MIG Guns


Standard Gun	Spool Gun

Pair these guns with a welder to direct the flow of MIG welding wire and electric current. With no need for a filler rod, MIG welding is faster than TIG welding, and ideal for thick base metals, including iron beams and carbon steel. At four pounds or less, our MIG guns are comfortable to hold, ensuring steady-handed results with every job. Guns with longer duty cycles can weld at their full amperage for longer periods of time without overheating.

Check the max current amperage and manufacturer of your welder. Using a gun with a higher amperage than your welder can cause damage to both.

Spool Gun—Spool MIG guns house wire in the gun, closer to where you’re welding, rather than in the welder itself. Often used for welding aluminum, they prevent soft wire from kinking in your cable since it doesn’t have to travel as far.

Water Cooled—Water-cooled guns cycle water through the cable and the neck of the gun, which transfers the excess heat back to a radiator. This cools more efficiently than air-cooled guns, so you can weld for longer without stopping due to overheating.

				For Wire
	Max. Current, amp	For Mfr.	Mfr. Model No.	Construction	Dia.	Duty Cycle	Cable Lg., ft.	Cable Material	Includes		Each
Standard Gun







				Air Cooled

				100	Miller	Miller MDX 100	Solid, Flux Core, Metal Core	0.030", 0.035"	Continuous	10	Rubber	—	00000000	0000000


				180	ESAB, Hobart, Miller	Tweco Fusion	Solid, Flux Core, Metal Core	0.030", 0.035"	4 Minutes On, 6 Minutes Off	12	Rubber	Contact Tip Nozzle	00000000	000000
				250	ESAB, Miller	Tweco Velocity2 Spray Master 250	Solid, Flux Core, Metal Core	0.035", 0.040", 0.045"	8 Minutes On, 2 Minutes Off	15	Rubber	Contact Tip Nozzle	000000000	000000
				250	Miller	Miller MDX 250	Solid, Flux Core, Metal Core	0.030", 0.035"	Continuous	15	Rubber	—	00000000	000000
				350	ESAB, Miller	Tweco Velocity2 Spray Master 350	Solid, Flux Core, Metal Core	0.063"	8 Minutes On, 2 Minutes Off	15	Rubber	Contact Tip Nozzle	00000000	000000




						Water Cooled

						400	Miller	Miller XR Pistol	Solid, Flux Core, Metal Core	0.030", 0.035", 0.040", 0.045", 0.047", 0.052", 0.063"	Continuous	30	Rubber	—	00000000	00000000


						Spool Gun







										Air Cooled

										200	Miller	Miller Spoolmatic	Solid, Flux Core, Metal Core	0.030", 0.035", 0.040", 0.045"	Continuous	15	Rubber	—	00000000	00000000