GB/T 4250-2004
Taper reamers Technical requirements
- Standard No.
- GB/T 4250-2004
- Language
- Chinese
- Release Date
- 2004
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Lastest
- GB/T 4250-2004
- Scope
- This standard specifies the basic requirements for position tolerance, material and hardness, appearance and surface roughness, marking and packaging of conical reamers. This standard applies to Morse cone and metric cone reamers produced according to GB/T 1139.
GB/T 4250-2004 history
- 2004 GB/T 4250-2004 Taper reamers Technical requirements
- 1984 GB/T 4250-1984 Taper reamers--Technical requirements