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.

High-performance welder generator

Weld, cut & power tools with your ESAB® Ruffian™ — paired with EMP 210 Welders & Thermal Dynamics® Cutmaster® systems

Shop Tweco's top welding equipment categories

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 Copper Ground Clamp

Tweco® 300 Amp Copper Ground Clamp



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
Get the job done right the first time, every time 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.

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Talk to our specialists about welding equipment, gases or safety