GJB 121.4-1986
Polished rod tolerance zone f9 short thread small hexagon head bolt (English Version)

Standard No.

GJB 121.4-1986

Language

Chinese, Available in English version

Release Date

1986

Published By

Military Standard of the People's Republic of China-General Armament Department

Status

Be replaced 1999-01

Replace By

GJB 3374-1998

Latest

GJB 3374-1998

GJB 121.4-1986 history

• 1998 GJB 3374-1998 Bolts with MJ thread
• 1986 GJB 121.4-1986 Polished rod tolerance zone f9 short thread small hexagon head bolt