HB 4177-1988
Short shank machine, hand screw tap with rear leading part for regular screw thread of through hole in machining light alloy ｄ＝１２~３６ｍｍ (English Version)

Standard No.

HB 4177-1988

Language

Chinese, Available in English version

Release Date

1988

Published By

Professional Standard - Aviation

Latest

HB 4177-1988

Scope

This standard is applicable to machines and machines with rear guide for processing through-hole and non-through-hole ordinary threads (GB 192～193-1981, GB 196～197-1981) on light alloy parts with verticality, position and coaxiality requirements. Hand with tap.

HB 4177-1988 history

• 1988 HB 4177-1988 Short shank machine, hand screw tap with rear leading part for regular screw thread of through hole in machining light alloy ｄ＝１２~３６ｍｍ