Thread Size Collet Holder

[bbcobmike]

Does anyone know the thread size of the collet holder for the Murex Tradestig 161 Tig Torch. (Type 17?)

Found the collet holder tight and had to use a bit of force to unscrew it and now a couple of threads are damaged but easily fixed with a tap.

Looks like the pitch is .8mm in metric or 32tpi in imperial

Measures 9.3mm or 0.36inches.

Can't seem to find a match at present.

Thanks

Mike

 

[hotrodder]

If it accepts standard weldcraft type bits then #17/18/26 torches are 3/8-32 tpi. WP9 and 20 are 5/16-24. Why they use UNEF threads for the larger torches and plain 'ol UNF for the little ones is beyond me

 

[bbcobmike]

Thanks very much. I have now saved a WP17 body and a few quid.