smithy1851
Plastic
- Joined
- Apr 1, 2020
- Location
- Mid Wales, Uk
Hi ,
Im looking for the starting size and finishing size for 1/2 bspt threads external...
we are running a rlx protrak 1630, trying to get the thread sizes correct in custom threads but its not working..
does anyone have the correct sizing for the starting point..
major dia is 20.955, minor dia is 18.633, pitch 1.814, were cutting the correct pitch but the thread isnt correct in height etc, trying on a new fittings and not working..
cutting en3b bar...but we have pb bronze to machine shortly...
any help on sizing would be most appricated
thanks
Chris
Im looking for the starting size and finishing size for 1/2 bspt threads external...
we are running a rlx protrak 1630, trying to get the thread sizes correct in custom threads but its not working..
does anyone have the correct sizing for the starting point..
major dia is 20.955, minor dia is 18.633, pitch 1.814, were cutting the correct pitch but the thread isnt correct in height etc, trying on a new fittings and not working..
cutting en3b bar...but we have pb bronze to machine shortly...
any help on sizing would be most appricated
thanks
Chris