TOUGH LOCK™ Conversion Series for Tweco Style Guns

Add our TOUGH LOCK Contact Tip System, durable nozzle and our gooseneck insulator  to your Tweco style MIG torch:

Tweco Style MIG Guns Tweco Style Standard Conductor Tubes TOUGH LOCK Retaining Head New Tregaskiss Gooseneck Insulator
Tweco #3 63J-60 404-20 402-14
Tweco #4 64J-60 404-20 402-14
Spray Master 350 MS63-60 404-20 402-14
Spray Master 450 MS64H-60 404-20 402-14
Weldskill 400 64A-60 404-20 402-14

NOTE:  The TOUGH LOCK Retaining Head (404-20) will fit on most Tweco goosenecks
with an external 9/16" - 18 thread, regardless of conductor tube angle.


TOUGH LOCK Conversion Series for Tweco Style Guns