Welding Systems | McMaster-Carr

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2,588 Products

Most Likely Products

Lighters

Light flames and recharge for repeated long-term use

2 products

Hats

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

5 products

TIG Welding Rod Feeders

Advance TIG rods for controlled welds

1 product

Hot Air Welders

Join and repair plastics using hot air or small metal stakes

13 products

Gas Tank Safety Caps

Protect valves on high-pressure gas tanks without having to remove the regulator

1 product

Gas Tank Safety Collars

Protect valves on acetylene tanks without having to remove the regulator

1 product

Chests

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

2 products

All Results

Fabricating and Machining

Lighters

Light flames and recharge for repeated long-term use

2 products

Heat Gun Nozzles

Concentrate, adapt, and direct airflow from heat guns

6 products

Heat Guns

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

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

8 products

Plasma Cutter Guides

Pair with a plasma or oxyacetylene torch for balance and stability as you cut and bevel shapes

3 products

Plasma Cutter Replacement Parts

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

54 products

Bevelers

Create smooth, beveled edges on flat plates or plastic pipe and tubing

4 products

Nozzle Tip Cleaners

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

4 products

Pliers Clamps

Clamp and lock workpieces with plier-style jaws for secure handling or transport

4 products

Fastening and Joining

TIG Welding Rod Feeders

Advance TIG rods for controlled welds

1 product

Hot Air Welders

Join and repair plastics using hot air or small metal stakes

13 products

TIG Torches

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

57 products

Welding Gas Flashback Arresters

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

24 products

TIG Torch Insulators

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

11 products

Oxyacetylene Torches

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

81 products

Band Saw Blade Welders

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

1 product

Multiprocess Welders

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

5 products

Stud Welders

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

47 products

MIG Welding Wire

Use with MIG welders to fuse metals together

182 products

TIG Welding Rods

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

298 products

Welding Pliers

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

2 products

MIG Wire Lubricating Pads

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

1 product

Stick Welders

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

1 product

TIG Torch Collet Bodies

Connect TIG torch nozzles to TIG torches

8 products

TIG Torch Collets

Grip tungsten electrodes for TIG welding

6 products

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

Tungsten Electrode Grinders

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

7 products

Welding Antispatter

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

5 products

Spot Welding Electrode Cleaners

Shape deformed electrodes without removing from the welder

2 products

Welding Water Coolers

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

3 products

Tungsten Electrodes

Heat in TIG torches to create welds

80 products

TIG Welders

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

5 products

MIG Welders

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

3 products

TIG Torch Back Caps

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

5 products

Spot Welders

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

15 products

MIG Guns

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

16 products

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

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

Stick Electrode Holders

Grip and position electrodes during stick welding

21 products

Tungsten Electrode Sharpeners

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

1 product

MIG Gun Contact Tips

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

17 products

Stick Electrode Ovens

Store electrodes at their optimal temperature and keep them dry

4 products

TIG Torch Bodies

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

32 products

Stick Electrodes

Flux coated for stability and speed when welding most metals

116 products

Hot Air Welding Rods

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

98 products

Spot Welding Electrodes

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

20 products

Gas Welding Rods

Melt in extra metal while gas welding to help workpieces hold together

7 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

Welding Wire Drum Cones

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

3 products

TIG Torch Heads

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

10 products

MIG Gun Gas Diffusers

Evenly distribute shielding gas for high-quality MIG welds

10 products

Tungsten Electrode Stick-Out Gauges

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

2 products

Ultrasonic Welders

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

15 products

Weld-Backing Tape

Stick to the back of welding seams to contain spatter and prevent gases from weakening the weld

11 products

TIG Torch Accessory Kits

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

28 products

Oxyacetylene Welding Kits

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

23 products

Welding Cable Covers

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

6 products

Welding Purge Tape

Create dams in pipes before welding, then wash away with water or steam

2 products

Tank Wrenches

Turn valve stems, regulator inlet nuts, and caps on welding tanks

5 products

Brazing Alloys

Form stronger bonds between metal parts than solder without melting the base material

29 products

Brazing Stop-Off

Keep flux and metal from flowing into unwanted areas while brazing

2 products

Containers, Storage, and Furniture

Gas Tank Safety Caps

Protect valves on high-pressure gas tanks without having to remove the regulator

1 product

Gas Tank Safety Collars

Protect valves on acetylene tanks without having to remove the regulator

1 product

Hose Reels

Store hose neatly to remove tripping hazards and reduce wear

5 products

Gas Tanks

Safely transport and store inert gas, acetylene, or oxygen

7 products

Tank Patches

Spin with a handheld electric router to seal holes in plastic tanks and containers

4 products

Helmet Bags

Carry your helmet and shield it from scratches, dents, and rain

1 product

Chests

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

2 products

MIG Welding Wire Carriers

Protect MIG welding wire from humidity and rust

1 product

Welding Torch Holders

Secure welding torches when not in use

8 products

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

Safety Equipment

Hats

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

5 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

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

Welding Lenses

Replace the lens in your welding helmet or goggles

65 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

Welding Helmets

Guard against scratches and weld spatter better than face shields

61 products

Backhand Pads

Slip over gloves for additional protection against sparks and spatter

2 products

Jackets

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

18 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

10 products

Welding Lens Magnifiers

Attach to welding lenses to enhance details

8 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

Welding Helmet Bibs

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

3 products

Welding Pads

Cushion knees or brace elbows during long welding runs

1 product

Raw Materials

Butane

Burns cleaner than propane at similar temperatures; use for heating, thawing, and soldering

2 products

Acetone

Often used to thin and remove adhesives from metal parts; faster drying than methyl ethyl ketone

3 products

Methyl Ethyl Ketone

Often used as a thinner for resins, adhesives, fiberglass, and lacquers

2 products

Lubricating

Coolants

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

2 products

Fluid Handling

Hose Crimpers

Crimp ferrules onto hose to secure fittings

2 products

Check Valves

Permit flow in only one direction by closing when flow stops or reverses

5 products

Pressure-Regulating Valves

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

104 products

Liquid Chillers

Cool down liquids to use them with temperature-sensitive equipment

19 products

Hose and Hose Fittings

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

211 products

Flowmeters

Measure the flow rate of liquid or gas through your system

1 product

Electrical Power, Networking, and Controlling

Proximity Sensors

Detect the presence or position of objects from a short sensing distance

14 products

Power Transmission

Belt Joining Kits

Everything you need to soften belt ends and join them together

12 products

Material Handling

Carts

Transport objects around your facility

9 products

Robot Arm Covers

Shield robot arms from dirt and damage

12 products

Lighting

Flashlights

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

1 product

Building and Machinery Hardware

Window Film

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

4 products