GB/T 31.1-1988
Hexagon bolts with split pin hole on shank--Product grade A and B (English Version)
- Standard No.
- GB/T 31.1-1988
- Language
- Chinese, Available in English version
- Release Date
- 1988
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2014-03
- Replace By
- GB/T 31.1-2013
- Latest
- GB/T 31.1-2013
- Scope
- This standard specifies the hexagonal head screw hole bolts with thread specifications of M6 ~ M48, grade A and grade B. The bolt is a cotter pin hole made on the rod of GB5782.
GB/T 31.1-1988 history
- 2013 GB/T 31.1-2013 Hexagon bolts with split pin hole on shank
- 1988 GB/T 31.1-1988 Hexagon bolts with split pin hole on shank--Product grade A and B
