NBN 902-1970
Pre-drilling drill bit diameter before tapping, metric ISO triangular thread. Pipe thread

Standard No.

NBN 902-1970

Release Date

1970

Published By

BE-NBN

Latest

NBN 902-1970

NBN 902-1970 history

• 1970 NBN 902-1970 Pre-drilling drill bit diameter before tapping, metric ISO triangular thread. Pipe thread