- Standard No.
- GB/T 9217.12-2005
- Language
- Chinese, Available in English version
- Release Date
- 2005
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
-
GB/T 9217.12-2005
- Replace
-
GB/T 9216-1988
- Scope
- This section specifies the main dimensions of inverted tapered carbide burrs and is denoted by the symbol N. The tolerance of cutting diameter, the direction of spiral groove and cutting direction, the diameter of cylindrical shank and the code of rotary file are in accordance with GB/T 9217.1.
GB/T 9217.12-2005 history
GB/T 9217.12-2005 Hardmetal burrs--Part 12:Inverted cone burrs(style N) has been changed from GB/T 9216-1988 Inverted cone hardmetal burrs.