GB/T 6480-2002
Carbide detachable bit for rock drilling (English Version)
- Standard No.
- GB/T 6480-2002
- Language
- Chinese, Available in English version
- Release Date
- 2002
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2016-06
- Replace By
- GB/T 6480-2015
- Latest
- GB/T 6480-2015
- Replace
- GB/T 6480-1994
- Scope
- This standard specifies the classification, code, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of cemented carbide drill bits. This standard applies to hard alloy drill bits with a diameter of 36mm to 127mm for rock drilling.
GB/T 6480-2002 history
- 2015 GB/T 6480-2015 Carbide bit for rock drilling
- 2002 GB/T 6480-2002 Carbide detachable bit for rock drilling
- 0000 GB/T 6480-1994
