QB/T 1906-2013
Screws for watches (English Version)
- Standard No.
- QB/T 1906-2013
- Language
- Chinese, Available in English version
- Release Date
- 2013
- Published By
- Professional Standard - Light Industry
- Latest
- QB/T 1906-2013
- Replace
- QB/T 1906-1993 QB/T 2448-1999
- Scope
- This standard specifies the terms and definitions, codes, screw structure and size classification, requirements, test methods, inspection rules, marking, packaging and storage of steel watch screws (hereinafter referred to as "screws"). This standard is applicable to watch screws with a nominal diameter of 0.30 mm to 1.40 mm. Screws for other watches and micro instruments can also be used with reference.
QB/T 1906-2013 Referenced Document
- GB/T 14791 Screw threads.Vocabulary*， 2013-12-17 Update
- GB/T 192 General purpose metric screw threads--Basic profile
- GB/T 2828.1 Inspection procedure by count sampling part 1: Lot by lot inspection sampling plan retrieved by acceptance quality limit (AQL)
- GB/T 2829 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
- GB/T 4340.1 Metallic materials.Vickers hardness test.Part 1:Test method
- GB/T 6060.3 Surface roughness comparison specimen.Part 3:Spark-eroded,shot-blasted,gritp-blasted,lapped,filed and polished surface
- GB/T 90.2 Fasteners--Marking and packaging
QB/T 1906-2013 history
- 2013 QB/T 1906-2013 Screws for watches
- 1994 QB/T 1906-1993 watch screw
QB/T 1906-2013 Screws for watches has been changed from QB/T 2448-1999 Universal screw size series for watches.
