MIG Welding Guns | McMaster-Carr

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Velocity2 Spray Master 250

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24 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	Lincoln	Lincoln Magnum 100L	Solid, Flux Core, Metal Core	0.025", 0.030", 0.035"	4 Minutes On, 6 Minutes Off	10	Rubber	Contact Tip Nozzle	00000000	0000000


				100	Miller	Miller MDX 100	Solid, Flux Core, Metal Core	0.030", 0.035"	Continuous	10	Rubber	—	00000000	000000
				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
				180	ESAB, Lincoln	Tweco No. 1	Solid, Flux Core, Metal Core	0.030", 0.035", 0.040", 0.045"	6 Minutes On, 4 Minutes Off	15	Rubber	Contact Tip Nozzle	00000000	000000
				200	Lincoln	Lincoln Magnum 200	Solid, Flux Core, Metal Core	0.025", 0.030"	6 Minutes On, 4 Minutes Off	15	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	ESAB, Lincoln	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	00000000	000000
				250	Lincoln	Lincoln Magnum PRO 250L	Solid, Flux Core, Metal Core	0.025", 0.030", 0.035", 0.040", 0.045"	4 Minutes On, 6 Minutes Off	15	Rubber	Contact Tip Nozzle	00000000	000000
				250	Miller	Miller MDX 250	Solid, Flux Core, Metal Core	0.030", 0.035"	Continuous	15	Rubber	—	00000000	000000
				300	Lincoln	Lincoln Magnum 300	Solid, Flux Core, Metal Core	0.035", 0.040", 0.045"	6 Minutes On, 4 Minutes Off	10	Rubber	Contact Tip Nozzle	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


				350	ESAB, Lincoln	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
				400	Lincoln	Lincoln Magnum 400	Solid, Flux Core, Metal Core	0.045", 0.047", 0.052", 0.063"	6 Minutes On, 4 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


						500	ESAB	Tweco Fusion Pro 7W	Solid, Flux Core, Metal Core	0.035", 0.040", 0.045", 0.047", 0.052", 0.063"	Continuous	12	Rubber	Contact Tip Nozzle	00000000	00000000


						Spool Gun







										Air Cooled

										130	Lincoln	Lincoln Magnum Pro 100SG	Solid, Flux Core, Metal Core	0.030", 0.035"	3 Minutes On, 7 Minutes Off	10	Rubber	1-lb. Spool of 0.035" ER4043 Solid Wire Three Contact Tips Nozzle Carrying Case	00000000	000000


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

MIG Welders

Powerful, practical, and made in the U.S., our Lincoln MIG welder plugs into common 120V outlets to produce an output range of 30-140 amps. That’s enough power to weld steel as thick as 3/16" in a single pass.

The system comes with a gun, nozzles, contact tips, sample spools of wire, and everything else you need for gasless, flux-cored welding. For solid-core MIG welding, connect the regulator to a tank of shielding gas (not included).

				For Material Thk.		For Sheet Metal Thk.		Input
	For Wire Construction	For Welding Wire Construction	For Wire Dia.	Min.	Max.	Min.	Max.	Voltage, V AC	Freq., Hz	Electrical Phase	Output Current @ Voltage	Includes		Each
Lincoln Easy-MIG 140



		Solid	Flux Core	0.025", 0.030", 0.035"	1/64"	11/64"	24	7	120	60	Single	90 amp @ 19.5V DC	Welding Gun Contact Tips 1/2-lb. Spool of 0.025" Copper-Coated Steel Solid Wire 1/2-lb. Spool of 0.035" Steel Flux-Core Wire 10-ft. Ground Cable with Ground Clamp Welding Hose Argon-Mixed Gas Regulator Gas Nozzle for Welding Solid-Core Wire Gasless Nozzle for Welding Flux-Core Wire	0000000	0000000

Accessories for MIG Welders

Carts

Transport your welder from place to place while securing your gas tank from falling over. The angled top surface allows for easy access to the welder’s controls, with a lower tray for added storage.

Lg.	Wd.	For Max. Gas Tank Dia.		Each
27"	11 3/4"	7"	00000000	0000000

Aluminum Welding Kits for MIG Welders

Kits include a spool gun that houses aluminum wire in the gun itself, reducing the length of travel and risk of tangles.

Includes		Each
Gun with Spool Mount 1-lb. Spool of 0.035" 4043 Aluminum Solid Wire Welding Gun Contact Tips Electric Harness with Toggle Switch Carrying Case	0000000	0000000

Multiprocess Welders

Repair most metal with a single machine—these welders perform MIG, TIG, and stick welds. Often used for general purpose applications, MIG welding is faster than other techniques and easiest to learn. TIG welding works on thin metal and leaves a clean appearance, so it’s commonly used for finish work. Stick welding is best for heavy duty welds on thick or dirty metal. It’s also the easiest to do outdoors, since it doesn’t use shielding gas that could be affected by wind.

							Input
	For Wire Construction	For Welding Wire Construction	For Wire Dia.	For Min. Material Thk.	For Min. Sheet Metal Ga.	Duty Cycle	Voltage, V AC	Frequency, Hz	Electrical Phase	Output Current @ Voltage	Wt., lb.	Includes		Each
Lincoln K3461-1



		Solid	Flux Core	0.025", 0.030", 0.035"	1/64"	24	6 Minutes On, 4 Minutes Off	120	60	Single	115 amp @ 15V AC 80 amp @ 23V AC 95 amp @ 19V AC	35	1/2-lb. Spool of 0.025" ER70S-6 Solid Wire 1/2-lb. Spool of 0.035" E71T-11 Flux-Core Wire 10-ft. Ground Cable with Ground Clamp Gas Nozzle for Welding Solid-Core Wire Gas Regulator Gasless Nozzle for Welding Flux-Core Wire Welding Gun Contact Tips	0000000	0000000

Accessories for Multiprocess Welders

TIG Torches

TIG torches are required for TIG welding.

Torch Body Type	Duty Cycle	Max. Current, amp	Cooling Method	Cable Lg., ft.	Cable Material	Includes		Each
Rigid Neck	6 Minutes On, 4 Minutes Off	125	Air	12.5	Rubber	Cable and Hose Assembly Long Back Cap Torch Body Torch Handle	00000000	0000000

Cable Lg., ft.		Each
13	00000000	0000000

MIG Spool Guns

Image of Product. Front orientation. MIG Guns.

MIG spool guns hold welding wire for use when MIG welding aluminum.

	For Welding Wire Construction	For Wire Dia.	Duty Cycle	Max. Current, amp	Cooling Method	Cable Lg., ft.	Cable Material	Includes		Each
Spool Gun



	Solid	Flux Core, Metal Core	0.030", 0.035"	3 Minutes On, 7 Minutes Off	130	Air	10	Rubber	1-lb. Spool of 0.035" ER4043 Solid Wire Three Contact Tips Nozzle Carrying Case	00000000	0000000

MIG Gun Holders

Rest your MIG gun on these holders when not in use.

Overall
Ht.	Wd.	Wt. Cap., lb.	Base Dia.	Material	Mount Type		Each
5 3/4"	4"	47	3 3/16"	Stainless Steel	Magnetic	0000000	000000