Knowledge Hub
Buyer's Guides & Shop Know-How
Technical guides written for the job site, not the showroom - how to choose the gear, how to run it, and how to fix it when the cut goes wrong.
Buying GuideMaintenance & TroubleshootingMIG Contact Tip and Nozzle Compatibility Guide: Threaded vs Non-Threaded
Contact tips, gas diffusers, insulators and nozzles only work as a matched set. Learn threaded vs non-threaded tips, thread-on vs slip-on nozzles,...
Buying GuideMIG GunsWhat Size MIG Gun Do I Need? 200A vs 300A vs 400A and Cable Length Guide
How to choose a 200 A, 300 A or 400 A MIG gun for your work and your machine, what duty cycle...
Buying GuidePPEHow to Choose the Right Welding Helmet: Shade Numbers, Safety Standards, and Features
A shade-number-first, CSA/ANSI-grounded buying guide to choosing a welding helmet for MIG, TIG, Stick, and plasma work — fixed vs. auto-darkening, sensors,...
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