Arc Welders | McMaster-Carr

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3,546 Products

Fastening and Joining

Stick Electrode Holders

Grip and position electrodes during stick welding

21 products

Stick Electrodes

Flux coated for stability and speed when welding most metals

119 products

Stick Welders

Form strong welds in everything from rusted pipes to heavy machinery out in the field

1 product

Stick Electrode Ovens

Store electrodes at their optimal temperature and keep them dry

4 products

MIG Guns

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

16 products

MIG Welders

Everything needed for MIG welding except the shielding gas; MIG welding is quicker than TIG welding

3 products

MIG Welding Wire

Use with MIG welders to fuse metals together

182 products

MIG Wire Lubricating Pads

Grease rough and rusty MIG welding wire so it feeds smoothly through your welder

1 product

MIG Gun Nozzles

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

33 products

MIG Wire Cleaning Pads

Reduce weld spatter to produce neater welds by removing rust and dirt from welding wire

1 product

MIG Welding Liners

Guide MIG welding wire through the gun to the contact tip

8 products

MIG Gun Insulators

Protect MIG gun nozzles from heat and damage while welding

3 products

MIG Gun Contact Tips

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

17 products

MIG Gun Gas Diffusers

Evenly distribute shielding gas for high-quality MIG welds

10 products

Spot Welding Electrode Cleaners

Shape deformed electrodes without removing from the welder

2 products

Spot Welding Electrodes

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

20 products

Band Saw Blade Welders

Repair broken blades or join the ends of coil stock to make your own blades

1 product

Spot Welders

Form small welds on steel and stainless steel, or fix cracks on plastic surfaces

15 products

TIG Welders

Everything needed for TIG welding except the shielding gas; TIG welds are stronger than MIG welds

5 products

TIG Torches

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

57 products

Tungsten Electrode Grinders

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

7 products

TIG Torch Insulators

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

11 products

TIG Welding Rods

Add extra metal while TIG welding to help flatten welds and hold workpieces together

256 products

TIG Torch Collet Bodies

Connect TIG torch nozzles to TIG torches

8 products

TIG Torch Collets

Grip tungsten electrodes for TIG welding

6 products

Tungsten Electrodes

Heat in TIG torches to create welds

80 products

TIG Torch Back Caps

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

5 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 Nozzles

Direct the flow of shielding gas when TIG welding

61 products

Tungsten Electrode Sharpeners

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

1 product

TIG Torch Bodies

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

32 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 Torch Heads

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

10 products

Tungsten Electrode Stick-Out Gauges

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

2 products

TIG Welding Rod Feeders

Advance TIG rods for controlled welds

1 product

TIG Torch Accessory Kits

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

28 products

Multiprocess Welders

Repair metal with a single machine that performs MIG, TIG, and stick welding

5 products

Ultrasonic Welders

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

15 products

Oxyacetylene Torches

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

81 products

Stud Welders

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

40 products

Welding Pliers

Perform a variety of welding tasks such as spatter removal and wire cutting

2 products

Hot Air Welders

Join and repair plastics using hot air or small metal stakes

13 products

Welding Antispatter

Prevents weld spatter from sticking to contact tips, nozzles, and welding accessories

5 products

Welding Water Coolers

Circulate coolant through your torches to prevent damage and take fewer cooldown breaks

3 products

Welding Plates

Create a custom dam or mold to control metal flow while welding

8 products

Hot Air Welding Rods

Melt with heat from a welder to create joints between pieces of plastic

98 products

Welding Wire Drum Cones

Snap onto drums to shield welding wire from slag and grinding dust that could weaken welds

3 products

Oxyacetylene Welding Kits

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

23 products

Welding Lugs

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

13 products

Welding Cable Covers

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

6 products

Electrical Power, Networking, and Controlling

Welding Cords

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

10 products

Welding Lug Covers

Install over welding lugs to prevent accidental contact with other connections

1 product

Lugs

Connect wire in utilities, service entrances, and other high-power systems

2 products

Welding Cable

Resist abrasion while carrying current for welding

20 products

Welding Cable Connectors

Plugs and sockets to deliver power to welding cable

13 products

Extension Cords

Extend the reach of power from an outlet

2 products

Grounding Clamps

Attach grounding wire to equipment to ground electrical current

24 products

Electrical Component Heat Sinks

Remove excess heat to protect circuit boards, semiconductors, and other electrical components

2 products

Lighting

Flashlights

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

1 product

Measuring and Inspecting

Magnetic Particles

Apply to metal and magnetize with a yoke to show defects on and below the surface

6 products

Magnetic Particle Flaw Detection Kits

Everything you need to detect imperfections on or below metal surfaces

1 product

Flaw-Detecting Dyes

Reveal cracks and surface flaws using colored dye under natural or UV light

7 products

Machine Vision Cameras

Inspect objects on conveyor lines for defects such as surface flaws and missing screws

17 products

Magnetic Yokes

Pair with magnetic particles to find defects on or below metal surfaces

5 products

Equipment Monitoring Cameras

Place inside machines to keep an eye on harsh industrial processes from a safe distance

2 products

Welding Gauges

Check alignment, corner dimensions, and other weld measurements

3 products

Squares

Check 90° angles during layout work with combination, angle, or pipefitters' squares

2 products

Fabricating and Machining

Toggle Clamps

Lock workpieces onto worktables or objects

348 products

Clamp Holding Screw Tips

Cover metal holding screws to protect workpieces from scratches

12 products

Clamp Holding Screws

Replace worn holding screws in clamps or customize with different sizes or styles

52 products

Corner Clamps

Align and secure materials at a corner joint

3 products

C-Clamps

Temporarily secure workpieces together or to a work surface

131 products

Magnetic Clamps

Hold magnetic workpieces at common angles such as 90° or 45°

27 products

Pipe Welding Clamps

Position and hold pipe joints for welding and assembly

14 products

Bar Clamps

Secure large materials with adjustable arms for even pressure distribution

84 products

Welding Positioners

Mount workpieces for circular welds

7 products

Swivel Pads

Attach to the ends of screws, threaded studs, or C-clamps to apply even pressure on uneven surfaces

8 products

V-Blocks

Hold round workpieces

1 product

Heat Gun Nozzles

Concentrate, adapt, and direct airflow from heat guns

6 products

Plasma Cutters

Accurately cut many types of metal; the torch fits into tighter spaces than a portable saw

8 products

Melting Pots

Melt solder, metal, adhesive, resin, and wax

33 products

Fixture Tables

Add clamps, brackets, and other components to build fixtures for welding and assembly

2 products

Heat Guns

Blow heated air for tasks such as stripping paint, shrinking film, and softening adhesives

6 products

Plasma Cutter Replacement Parts

Replace cutting tips, electrodes, and other components of your plasma cutter

42 products

Nozzle Tip Cleaners

Clear out residue from small openings, such as nozzles or torch tips

4 products

Fixture Squares

Build different fixtures on multiple sides of the same block

16 products

Containers, Storage, and Furniture

MIG Welding Wire Carriers

Protect MIG welding wire from humidity and rust

1 product

Oxyacetylene Welding Equipment Totes

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

1 product

TIG Welding Rod Carriers

Store, protect, and organize your TIG welding rods

2 products

Tungsten Electrode Carriers

Store, protect, and organize your tungsten electrodes

1 product

Stick Electrode Carriers

Protect your stick electrodes during transport

3 products

Chests

Secure equipment and supplies at jobsites; also known as job boxes

2 products

Crucibles

Mix and melt powders, chemicals, and metals

6 products

Stools

Adjustable-height, clean room, sit/stand, collapsible, and stools with backrests

3 products

Creepers

Roll under low-clearance equipment to work while lying down

1 product

Welding Torch Holders

Secure welding torches when not in use

2 products

Safety Equipment

Welding Lens Magnifiers

Attach to welding lenses to enhance details

8 products

Welding Lenses

Replace the lens in your welding helmet or goggles

65 products

Welding Helmets

Guard against scratches and weld spatter better than face shields

18 products

Welding Helmet Bibs

Clip to any welding helmet to protect your chin and neck from flames, sparks, and UV light

3 products

Safety Glasses

Shield your eyes from dirt, sunlight, lasers, and electrical and welding sparks

18 products

Coveralls

Shield your full body against dirt, rain, heat, chemical splashes, and electrical and welding sparks

1 product

Bandanas

Keep sun, dust, and sweat off your face

1 product

Respirator Cartridges

Replace the cartridge on your respirator when breathing becomes difficult

4 products

Cape Sleeves

Protect your arms and chest from heat, flame, and weld spatter

2 products

Cape Sleeve Bibs

Snap onto cape sleeves to protect your stomach when welding

2 products

Chaps

Shield the front of your legs from cuts, radiant heat, flames, and welding sparks

1 product

Pants

Insulate your legs from dirt, cold, heat, rain, and electrical and welding sparks

1 product

Safety Goggles

Fully protect your eyes from flying dust and debris or harmful infrared light during welding

13 products

Arm Pads

Prevent burns while welding

2 products

Gloves

Shield your hands from cuts, heat, cold, chemical splashes, and electrical and welding sparks

82 products

Respirators

Filter particles, hazardous vapors, and other contaminants from the air

9 products

Hoods

Shield your head and neck from dirt, heat, cold, and electrical and welding sparks

5 products

Aprons

Protect your torso from dirt, chemical splashes, and electrical and welding spark

16 products

Face Shields

Protect your face from dirt, chemical splashes, and electrical and welding sparks

23 products

Arm Sleeves

Protect your arms from cuts, sparks, heat, and chemical splashes

17 products

Finger Cots

Guard fingers from heat and abrasion, or protect items from contamination

3 products

Clothing Kits

Head-to-toe protection from electrical arc flashes, chemical splashes, welding sparks, and more

4 products

Backhand Pads

Slip over gloves for additional protection against sparks and spatter

2 products

Hats

Shield your head from sun, rain, cold, and sparks

5 products

Jackets

Thicker than shirts for extra protection against dirt, rain, cold, chemical splashes, and sparks

23 products

Sweatbands

Absorb sweat from your head or arms

1 product

Leggings

Protect shins and feet from radiant heat, flames, welding sparks, and molten metal splashes

4 products

Bib Overalls

Protect your legs and torso from cold, rain, chemicals, and flames

1 product

Respirator Breathing Tubes

Deliver clean, breathable air to your hood or helmet respirator

2 products

Protectors for Gloves

Wear over gloves to meet ASTM standards when working on live electrical equipment

12 products

Lens Covers

Protect filter lenses from scratches and weld spatter

3 products

Respirator Blowers

Replace blowers in powered respirators to keep the clean air flowing

7 products

Respirator Harnesses

Strap a respirator to your back so it's more comfortable to wear

1 product

Neck Gaiters

Protect your neck and face from cold, heat, flames, and electrical hazards

2 products

Curtain Partitions

Section off work spaces, locker rooms, and restricted areas

21 products

Heat-Resistant Blankets

Drape these blankets over machinery or hang them from walls to protect your workspace from sparks

35 products

Welding Pads

Cushion knees or brace elbows during long welding runs

1 product

Curtains

Pull shut to protect against dust, weld spatter, heat, and splashing liquid

159 products

Protective Screens

Set up to protect against dust, weld spatter, heat, and splashing liquid

107 products

Spark-Resistant Film

Stick to vertical surfaces to shield them from sparks while welding or grinding

1 product

Raw Materials

Fabric

Use to cover, clean, and insulate objects

14 products

Lubricating

Coolants

Apply while machining to dissipate heat, remove shavings, and prevent corrosion

2 products

Fluid Handling

Pressure-Regulating Valves

Reduce inlet pressure to a lower outlet pressure to protect sensitive equipment

107 products

Flowmeters

Measure the flow rate of liquid or gas through your system

1 product

Material Handling

Carts

Transport objects around your facility

9 products

Building and Machinery Hardware

Strip Doors

Keep hot or cold air in and dust and debris out while allowing people to move through doorways

15 products

Window Film

Apply to windows for privacy, insulation, less glare, and a lower chance of shattering

4 products