QB/T 4175-2011
Sewing machine general requirements for spiral.Purpose fasten belt and screw (English Version)
- Standard No.
- QB/T 4175-2011
- Language
- Chinese, Available in English version
- Release Date
- 2011
- Published By
- Professional Standard - Light Industry
- Latest
- QB/T 4175-2011
- Scope
- This standard specifies the product classification, basic tooth form, tolerances, surface quality, mechanical or physical properties and product marking, packaging and transportation of fastening bolts and screws special for sewing machines. This standard applies to special fastening bolts and screws for sewing machines.
QB/T 4175-2011 Referenced Document
- GB/T 192-2003 General purpose metric screw threads--Basic profile
- GB/T 1958-2004 Geometrical Product Specifications(GPS)Geometrical tolerance Verification prescription
- GB/T 196-2003 General purpose metric screw threads--Basic dimensions
- GB/T 197-2003 General purpose metric screw threads--Tolerances
- GB/T 228-2002 Metallic materials--Tensile testing at ambient temperature
- GB/T 230.1-2009 Metallic materials.Rockwell hardness test.Part 1:Test method(scales A、B、C、D、E、F、G、H、K、N、T)
- GB/T 4340.1-2009 Metallic materials.Vickers hardness test.Part 1:Test method
- QB/T 1572-1992 General specification for electroplating of sewing machine parts
- QB/T 2254-2010 Special-purpose thread of sewing machine
- QB/T 2505-2000 Technical conditions for blackening of sewing machine parts
QB/T 4175-2011 history
- 2011 QB/T 4175-2011 Sewing machine general requirements for spiral.Purpose fasten belt and screw
