GB/T 1143-1984
Countersinks with Morse taper shanks for angles 60, 90 and 120 degree inclusive
2004-08
- Standard No.
- GB/T 1143-1984
- Language
- Chinese
- Release Date
- 1984
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Replace By
- GB/T 1143-2004
- Lastest
- GB/T 1143-2004
- Replace
- GB 1143-1973
- Scope
- 60°, 90°, 120° taper shank countersink drill
GB/T 1143-1984 history
- 2004 GB/T 1143-2004 Morse taper shank countersinks for angles 60°、90°、120°inclusive
- 1984 GB/T 1143-1984 Countersinks with Morse taper shanks for angles 60, 90 and 120 degree inclusive
- 0000年 GB 1143-1973