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Cobra MX MIG Welding Gun

Cobra® MX- Push-Pull Gooseneck


  • Models:             Air Cooled and Water Cooled (P/Ns below)
  • Models:             Compatible: MK, Lincoln, Miller and Fronius (P/Ns below)
  • Lengths:           15 ft, 25 ft, 35 ft and 50 ft lengths

Price: Cobra MX - Air Cooled - Standard 25 ft

Description

The Cobra MX is a direct replacement for the Cobra Gold with a gas valve in the gun and with all of MK Products’ latest features and manufacturing techniques. This gun features our famous push-pull gooseneck design and weighs only 2 lb 5 oz. The patented Cobra MX is ready to fit all your aluminum and hard wire welding needs.

Compatibility:

Direct plug-in connectors available for Lincoln, Miller and Fronius wire feeders. Water and Air Cooled models: 15 ft, 25 ft, 35 ft and 50 ft lengths. (P/Ns below)

FEATURES

  • Models: Classic cup w/ 1/4” tip or MAX cup w/ 3/8” tip
  • Cobra® fix mount barrel with high temp barrel insulator
  • Protected fingertip speed control in the handle
  • Uses the original Cobra® rear trigger location
  • Covered wire feed mechanism
  • Covered lever wire release in the handle
  • Wire feed speed 800 IPM

  • Wire Type and Diameter:
    Solid and Hard wire .030” - .045” (0.8 mm - 1.1 mm)
    Aluminum and Cored wire: .030” - 1/16” (0.8 mm - 1.6 mm)
  • Snake Skin (Standard)
    931-0110 15ft, 931-0122 25ft, 931-0132 35ft, 931-0123 50ft
Duty Cycle 100%
Rated Output
Rated Output

Rated Output determined by the gun having an Air Cooled (A/C) or Water Cooled (W/C) barrel.

Cobra MX A/C is 175 Amps
Cobra MX A/C is 200 Amps
Cobra MX W/C is 225 Amps
Cobra MX W/C is 250 Amps

Options / Compatibility

  • Optional Ultra Flex power cable offers more durability and less strain when welding. (Part Numbers below)
  • Capable of Aluminum Welding as well as Hard Wire Welding (Steel, stainless steel and flux core steel wires)

  • Plug-in direct compatibility with MK, Lincoln, Miller, Fronius and Euro systems. (Part Numbers below)
  • Available in both Water Cooled and Air Cooled models
  • Available in Lengths: 15 ft, 25 ft, 35 ft and 50 ft

Part Numbers - MK and Compatible Guns

Compatible guns used with Lincoln Power Feed 25M (model K2536-4) require a kit for adaptability. Call factory for details.

Part Numbers
MK
Part Numbers
Lincoln 7 Pin
Part Numbers
Miller 10 Pin
Part Numbers
Fronius 9 Pin
Cobra MX 1/4" Tip

15ft AC:   266-815
25ft AC:   266-825
35ft AC:   266-835
50ft AC:   266-850

15ft WC:   262-815
25ft WC:   262-825
35ft WC:   262-835
50ft WC:   262-850
Cobra MX 1/4" Tip

276-815
276-825
276-835
276-850

278-815
278-825
278-835
278-850
Cobra MX 1/4" Tip

280-815
280-825
280-835
280-850

282-815
282-825
282-835
282-850
Cobra MX 1/4" Tip

284-815
284-825
284-835
284-850

286-815
286-825
286-835
286-850
Part Numbers
MK
Part Numbers
Lincoln 7 Pin
Part Numbers
Miller 10 Pin
Part Numbers
Fronius 9 Pin
Cobra MX-HD 3/8" Tip

15ft AC:   267-815
25ft AC:   267-825
35ft AC:   267-835
50ft AC:   267-850

15ft WC:   263-815
25ft WC:   263-825
35ft WC:   263-835
50ft WC:   263-850
Cobra MX-HD 3/8" Tip

277-815
277-825
277-835
277-850

279-815
279-825
279-835
279-850
Cobra MX-HD 3/8" Tip

281-815
281-825
281-835
281-850

283-815
283-825
283-835
283-850
Cobra MX-HD 3/8" Tip

285-815
285-825
285-835
285-850

287-815
287-825
287-835
287-850

Owners Manuals - MK and Compatible Guns

MANUAL MK Compatible MANUAL Lincoln 7 Pin MANUAL Miller 10 Pin MANUAL Fronius 9 Pin

Consumables

Barrel Liners: Aluminum
Teflon
931-0137

Barrel Liners: Hard Wire Spiral Steel Liner
615-0343
615-0258
615-0259
Drive Rolls

Additional Enhancements For Aluminum Capabilities

Drive Roll Kits:

  • Knurled (Standard)
  • Insulated Grooved (Option)
  • Insulated Knurled (Option)

  • Drive roll installation / removal tool (931-0100)

For P/Ns Read More

Contact Tips for Hard Wire

Steel, Stainless and
Flux Core Steel wire


Cobra MX (1/4” Tips)
.023”(0.6 mm) 621-0328-25
.030”(0.8 mm) 621-0326-25
.040”(1.0 mm) 621-0077-25
.045”(1.1 mm) 621-0002-25


Cobra MX (3/8” Tips)
.030”(0.8 mm) 621-0396-25
.035”(0.9 mm) 621-0397-25
.045”(1.1 mm) 621-0398-25

Read More

Cups and Tips Connectivity - Extend Your Reach and Save Barrel Tip Threads

Not only can tip extenders extend the reach of your gun, but they also protect the threaded end of your barrel from damage. Some extenders are stackable and some are not – see below to determine.

Barrel Tip Extender Contact Tip Gas Cup

Connectivity Purpose: Take a Cobra MX - Classic cup and extend the tip, still using a 1/4 inch tip and a classic cup.

Barrels
Barrels
Cobra MX - Classic A/W
Tip Extenders
P/N 621-0017
Stackable up to 5
Contact Tips
1/4 inch diameter

Gas Cups

Classic Cup

Connectivity Purpose: Take a Cobra MX - MAX cup and extend the tip, still using a 3/8 inch tip and a MAX cup.

Barrels
Barrels
Cobra MX - MAX A/W
Tip Extenders
P/N 621-0423
Stackable up to 5
Contact Tips
3/8 inch diameter

Gas Cups

MAX Cup

Convert to a “beefier” tip & cup configuration

Adapters allow you to change the output rating on your guns by changing the contact tip and gas cup configuration to a “beefier” tip & cup configuration.

Barrel Adapter Contact Tip Gas Cup

Connectivity Purpose: Take a Cobra MX - Classic cup and use an Adapter to convert it to use a 3/8 inch tip and a MAX cup.

Barrels
Barrels
Cobra MX - Classic A/W
Adapters
P/N 003-2210
Contact Tips
3/8 inch diameter

Gas Cups

MAX Cup

Connectivity Purpose: Take a Cobra MX - Classic cup and use an Adapter to convert it to use a 3/8 inch tip and a FINNED cup.

Barrels
Barrels
Cobra MX - Classic A/W
Adapters
P/N 431-1630
Contact Tips
3/8 inch diameter

Gas Cups

Finned Cup

Gun Lead Assembly Components - MK AND COMPATIBLE GUNS

U.S. Customary Units / Metric: 15 ft/4.6m, 25 ft/7.6m, 35 ft/10.7m, 50 ft/15.2m

MK Lincoln Miller Fronius
MK Classic Connections to wire feeder
Lincoln 7 Pin Compatibiliity used with Lincoln wire feeder
Miller 14 Pin Compatibiliity used with Miller wire feeder
Fronius 9 Pin Compatibiliity used with Fronius wire feeder

Hoses

MK Lincoln Miller Fronius

Gas Hose

552-0242-15
552-0242-25
552-0242-35
552-0242-50

Water Hose MK

552-0243-15
552-0243-25
552-0243-35
552-0243-50

---

---

Gas Hose

552-0241-15
552-0241-25
552-0241-35
552-0241-50

Water Hose Blue

552-0239-15
552-0239-25
552-0239-35
552-0239-50

Water Hose Red

552-0209 all lengths

Gas Hose

552-0241-15
552-0241-25
552-0241-35
552-0241-50

Water Hose Blue

552-0239-15
552-0239-25
552-0239-35
552-0239-50

Water Hose Red

552-0209 all lengths

Gas Hose

552-0241-15
552-0241-25
552-0241-35
552-0241-50

Water Hose Blue

552-0238-15
552-0238-25
552-0238-35
552-0238-50

Water Hose Red

552-0211 all lengths

Cables

MK Lincoln Miller Fronius

Control Cable

005-0690
005-0691
005-0740
005-0692

Power Cable (AC)

843-0630-15
843-0630-25
843-0630-35
843-0630-50

Power Cable (WC)

005-0387-15
005-0387-25
005-0387-35
005-0387-50

Power Cable
Ultra Flex (AC only)

843-0580-15
843-0580-25
843-0580-35
843-0580-50

Control Cable

005-0690
005-0691
005-0740
005-0692

Power Cable (AC)

843-0640-15
843-0640-25
843-0640-35
843-0640-50

Power Cable (WC)

005-0388-15
005-0388-25
005-0388-35
005-0388-50

Power Cable
Ultra Flex (AC only)

843-0715-15
843-0715-25
843-0715-35
843-0715-50

Control Cable

005-0380-15
005-0380-25
005-0380-35
005-0380-50

Power Cable (AC)

843-0640-15
843-0640-25
843-0640-35
843-0640-50

Power Cable (WC)

005-0388-15
005-0388-25
005-0388-35
005-0388-50

Power Cable
Ultra Flex (AC only)

843-0715-15
843-0715-25
843-0715-35
843-0715-50

Control Cable

005-0381-15
005-0381-25
005-0381-35
005-0381-50

Power Cable (AC)

843-0640-15
843-0640-25
843-0640-35
843-0640-50

Power Cable (WC)

005-0388-15
005-0388-25
005-0388-35
005-0388-50

Power Cable
Ultra Flex (AC only)

843-0715-15
843-0715-25
843-0715-35
843-0715-50

Conduits

MK Lincoln Miller Fronius

Aluminum Welding Only
- Conduit

615-0601-15
615-0601-25
615-0601-35
615-0601-50

Hard Wire Welding Only
Flat Spiral Steel - Conduit

615-0208
615-0216
615-0219
615-0218

Aluminum Welding Only
- Conduit

615-0620-15
615-0620-25
615-0620-35
615-0620-50

Hard Wire Welding Only
Flat Spiral Steel - Conduit

615-0621-15
615-0621-25
615-0621-35
615-0621-50

Aluminum Welding Only
- Conduit

615-0620-15
615-0620-25
615-0620-35
615-0620-50

Hard Wire Welding Only
Flat Spiral Steel - Conduit

615-0621-15
615-0621-25
615-0621-35
615-0621-50

Aluminum Welding Only
- Conduit

615-0620-15
615-0620-25
615-0620-35
615-0620-50

Hard Wire Welding Only
Flat Spiral Steel - Conduit

615-0621-15
615-0621-25
615-0621-35
615-0621-50

Related Products

Cobramatic Wire Feeder
Contact Tips
Gas Cups
Drive Rolls
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