Tweco Welding Shop

A digital TWECO MIG welding gun with an ESAB weldeing machine in the background. A digital TWECO MIG welding gun with an ESAB weldeing machine in the background. A digital TWECO MIG welding gun with an ESAB weldeing machine in the background.
After introducing the world to the modern MIG gun, Tweco is a brand welders want for superior welding performance and a better operator experience.

Gain more productivity with Tweco arc welding accessories and MIG guns

Tweco stands as the leader in arc welding accessories and MIG guns, including the Tweco Classic — the world's most iconic MIG gun. But Tweco also boasts a legendary line of MIG guns and welding accessories that are mainstays in a welder’s toolbox. Check back to see updated product collections and new solutions on Airgas.com.

GREAT WELDS START HERE

Talk to our specialists about welding equipment, gases or safety.

GREAT WELDS START HERE

Talk to our specialists about welding equipment, gases or safety.

Shop Tweco's top welding equipment categories

Shop Tweco's top welding equipment products

Tweco Zinc Plated Cable Connector

Tweco 200 Amp Zinc Plated Cable Connector

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Tweco MIG Gun

Tweco 400 Amp Professional Classic No. 4 Air Cooled MIG Gun - 15' Cable/Miller® Style Connector

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Tweco Copper Alloy Electrode Holder

Tweco 200 Amp Copper Alloy Electrode Holder

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Tweco copper Nozzle

Tweco 5/8" Bore VELOCITY2™ Series Nozzle

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Tweco Zinc Plated Male Cable Connector

Tweco 200 Amp Zinc Plated Cable Connector - Male

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Tweco Copper Ground Clamp

Tweco 300 Amp Copper Ground Clamp

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Tweco Gas Diffuser

Tweco 1.955" 16RS/16S Series Gas Diffuser

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Tweco MIG Gun

Tweco 400 Amp Professional Classic No. 4 .035" - .045" Air Cooled MIG Gun - 25' Cable/Miller Style Connector

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Tweco Copper Nozzle

Tweco 5/8" Bore VELOCITY2™ Series Nozzle

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Tweco Copper Ground Clamp

Tweco 500 Amp Copper Alloy Ground Clamp

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Tweco copper Contact Tip

Tweco .045" X 1.5" 0.045" Bore EL16T Series Contact Tip

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Tweco Gas Diffuser

Tweco .062" X 2.521" 14H/M12 Series Gas Diffuser

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Tweco Zinc Plated Cable Connector

Tweco 200 Amp Zinc Plated Cable Connector



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Tweco MIG Gun

Tweco 400 Amp Professional Classic No. 4 Air Cooled MIG Gun - 15' Cable/Miller® Style Connector

SHOP NOW

Tweco Copper Alloy Electrode Holder

Tweco 200 Amp Copper Alloy Electrode Holder



SHOP NOW

Tweco copper Nozzle

Tweco 5/8" Bore VELOCITY2™ Series Nozzle



SHOP NOW

Tweco Zinc Plated Male Cable Connector

Tweco 200 Amp Zinc Plated Cable Connector - Male


SHOP NOW

Tweco Gas Diffuser

Tweco 1.955" 16RS/16S Series Gas Diffuser



SHOP NOW

Tweco MIG Gun

Tweco 400 Amp Professional Classic No. 4 .035" - .045" Air Cooled MIG Gun - 25' Cable/Miller Style Connector


SHOP NOW

Tweco Copper Nozzle

Tweco 5/8" Bore VELOCITY2™ Series Nozzle



SHOP NOW

Tweco Copper Ground Clamp

Tweco 500 Amp Copper Alloy Ground Clamp



SHOP NOW

Tweco copper Contact Tip

Tweco .045" X 1.5" 0.045" Bore EL16T Series Contact Tip


SHOP NOW

Tweco Gas Diffuser

Tweco .062" X 2.521" 14H/M12 Series Gas Diffuser


SHOP NOW

Shop welding and cutting brands from ESAB

ESAB Showcase
A TIG welder wearing ESAB Personal Protective Equipment (PPE) using an ESAB welding machine
Harness lightning with the ESAB family of brands.
Shop ESAB
Three ESAB welding machines against a grey brick and concrete background
Shape the future with ESAB welding & cutting equipment and consumables.
Shop Victor
Two gas cylinders featuring Victor gas regulators are positioned in the foreground to the left, while in the background to the center-right and slightly out of focus, a welder uses a Victor cutting torch.
Rule the Flame with Victor welding, cutting and gas equipment.
Shop Thermal Dynamics
A Thermal Dynamics plasma cutter in an industrial setting with sparks in the background
Be at the forefront of plasma-cutting innovation with Thermal Dynamics.
Shop Tweco
A digital TWECO MIG welding gun with an ESAB weldeing machine in the background
Gain more productivity with Tweco MIG guns and consumables.