GB/T 970.1-2008
Circular screwing dies.Part 1:The types and dimensions for circular screwing dies and die stocks (English Version)
- Standard No.
- GB/T 970.1-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Latest
- GB/T 970.1-2008
- Replace
- GB/T 970.1-1994
- Scope
- This standard specifies the basic requirements for the type and size of circular dies and circular die holders. This part is applicable to hand and machine round dies and matching hand round die holders for processing ordinary threads (GB/T 192~193, GB/T 196~197) with a tolerance of 6g. Circular dies with 6e, 6f, and 6h tolerance zones can also be produced according to the needs of use. The circular dies manufactured according to 6g can also meet the requirements of 6h tolerance zone in most cases.
GB/T 970.1-2008 Referenced Document
- GB/T 192 General purpose metric screw threads--Basic profile
- GB/T 193 General purpose metric screw threads--General plan
- GB/T 196 General purpose metric screw threads--Basic dimensions
- GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
- GB/T 3 Run-outs, undercuts and chamfers for general purpose metric screw threads
- GB/T 970.2 Circular screwing dies.Part2:Technical specifications
GB/T 970.1-2008 history
- 2008 GB/T 970.1-2008 Circular screwing dies.Part 1:The types and dimensions for circular screwing dies and die stocks
- 1994 GB/T 970.1-1994 The types and dimensions for circular screwing dies
