HB 4500-1990
Technical conditions for machine and hand taps for processing high-strength steel MJ threads (English Version)

Standard No.

HB 4500-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

Professional Standard - Aviation

Latest

HB 4500-1990

Scope

This standard specifies the technical requirements, performance testing, marking and packaging requirements for machine and hand taps used to process high-strength steel MJ threads. This standard is applicable to machine and hand taps for processing high-strength steel MJ threads with a nominal diameter of 5 to 39 mm and a pitch of 0.8 to 2 mm.

HB 4500-1990 history

• 1990 HB 4500-1990 Technical conditions for machine and hand taps for processing high-strength steel MJ threads