Welder Parts | McMaster-Carr

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789 Products

Fastening and Joining

MIG Gun Nozzles

Direct shielding gas towards welds and protect contact tips from molten metal

33 products

MIG Gun Gas Diffusers

Evenly distribute shielding gas for high-quality MIG welds

10 products

MIG Gun Contact Tips

Attach to MIG guns to guide welding wire and electric current to the weld site

17 products

MIG Guns

Direct, start, and stop the flow of MIG welding wire and current to the spot you're welding

17 products

MIG Gun Insulators

Protect MIG gun nozzles from heat and damage while welding

3 products

MIG Welding Liners

Guide MIG welding wire through the gun to the contact tip

8 products

TIG Torch Back Caps

Cover the part of an electrode that sticks out the back of TIG torches

5 products

TIG Torch Nozzles

Direct the flow of shielding gas when TIG welding

61 products

TIG Torch Power Cable Adapters

Connect your power cable to your argon hose for TIG welding

3 products

TIG Torch-to-Machine Connectors

Link TIG torches and TIG welders

6 products

TIG Torch Insulators

Seal between TIG nozzles and torches to stop gas from escaping and protect torch parts from heat

11 products

TIG Torch Collets

Grip tungsten electrodes for TIG welding

6 products

TIG Torch Gas Diffusers

For more control and less waste, smooth the flow of shielding gas as it leaves TIG torch nozzles

15 products

TIG Torches

Include a torch body and cable and hose assembly to plug into your TIG welder

57 products

TIG Torch Heads

Swivel or rotate to weld in hard-to-reach areas

10 products

TIG Torch Bodies

Attach collet bodies, collets, nozzles, and other components for TIG welding

32 products

Tungsten Electrodes

Heat in TIG torches to create welds

80 products

TIG Torch Accessory Kits

The fittings you need for welding, including collets, collet bodies, and nozzles

28 products

Tungsten Electrode Grinders

For frequent and high quality TIG welding, quickly create a fresh point at the tip of electrodes

7 products

TIG Welding Rod Feeders

Advance TIG rods for controlled welds

1 product

TIG Torch Collet Bodies

Connect TIG torch nozzles to TIG torches

8 products

Tungsten Electrode Sharpeners

Heat electrodes and dip them to create a new point at the tip, which helps improve weld quality

1 product

Tungsten Electrode Stick-Out Gauges

Measure the distance tungsten electrodes stick out from your nozzle for consistent TIG welding

2 products

Stud Welders

Join studs and pins to metal, leaving no marks on the back of the material

47 products

Stick Electrode Holders

Grip and position electrodes during stick welding

21 products

Spot Welding Electrodes

Press onto the tips of spot welders to change the size and shape of the weld

20 products

Oxyacetylene Torches

Create a torch or replace parts with a selection of handles, nozzles, cutting tips, and more

81 products

Oxyacetylene Welding Kits

Everything needed for welding and cutting with oxyacetylene except the gas cylinders

23 products

Welding Gas Flashback Arresters

Attach to your gas welder to extinguish flames and stop reverse gas flow

24 products

Ultrasonic Welders

Use sound waves to join plastic to itself or other materials without distortion or discoloration

15 products

Welding Lugs

Screw, hammer, or crimp on to secure welding cable connections

6 products

Welding Cable Covers

Protect the cables on your MIG or TIG guns from weld spatter

6 products

Electrical Power, Networking, and Controlling

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

13 products

Welding Cords

Quickly connect your welder to an electrode or other component, or ground your setup

10 products

Power Cords

Connect equipment and devices to a power source

7 products

Extension Cords

Extend the reach of power from an outlet

11 products

Welding Lug Covers

Install over welding lugs to prevent accidental contact with other connections

1 product

Welding Cable

Resist abrasion while carrying current for welding

28 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

20 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

24 products

Material Handling

Carts

Transport objects around your facility

9 products

Fabricating and Machining

Fixture Squares

Build different fixtures on multiple sides of the same block

16 products

Lighting

Flashlights

Direct a beam of light to precisely where it's needed

1 product

Fluid Handling

Flowmeters

Measure the flow rate of liquid or gas through your system

1 product

Containers, Storage, and Furniture

Welding Torch Holders

Secure welding torches when not in use

8 products

Welding Equipment Totes

Carry an oxyacetylene torch and up to two tanks from one job to the next

1 product