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You are here: Home > CUSTOM FITTINGS - for Imported MIG machines and other custom fittings
CUSTOM FITTINGS - for Imported MIG machines and other custom fittings
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4mm Tubing to Standard Argon Adapter Fitting (for imported MIG machines) 4mm Tubing to Standard Argon Adapter Fitting (for imported MIG machines) 4mm Tubing to Standard Argon Adapter Fitting (for imported MIG machines)
Our Price: $13.75
Our Price: $15.75
Our Price: $15.75
Adaptor fitting for Harbor Freight brand MIG welding machines to adapt from 4mm nylon hose to standard CGA B-size argon fittings. Adaptor fitting for Harbor Freight brand MIG welding machines to adapt from 4mm nylon hose to standard CGA B-size argon fittings. Adaptor fitting for Harbor Freight brand MIG welding machines to adapt from 4mm nylon hose to standard CGA B-size argon fittings.
BRW-4mm-Argon BRW-4mm-Argon PN BRW-402 x 4mm adapter fitting. This fitting allows 4MM tube to be adapted to a standard argon hose fitting. Fits Harbor Freight and Imported MIG & TIG Welders.  To see what size hose your machine has, measure the OD of the gas hose with precision instruments such as a pair of dial calipers.  A 4mm tube measures .160 inches OD, A 1/8" tube measures .125 inches OD.  Most foreign made welding machines use 4mm tubing.

Argon nuts have 5/8-18 right hand thread.