1. Standards for the dimensions of stainless steel fasteners: Specifically specify the basic dimensions of the products; for threaded products.
2. Standards for the technical specifications of fasteners. This includes standards covering the following aspects.
3. Standards for the tolerances of fasteners: Specifically specify the dimensional and geometric tolerances of the products.
4. Standards for the mechanical properties of fasteners: Specifically specify the marking methods for the mechanical property grades of the products, as well as the mechanical property items and requirements; for some fastener products, this is replaced by standards for material properties or working performance.
5. Standards for the surface defects of fasteners: Specifically specify the types of surface defects and specific requirements.
6. Standards for the surface treatment of fasteners: Specifically specify the types of surface treatments and specific requirements.
7. Standards for the testing of fasteners: Specifically specify the testing requirements for the above-mentioned performance requirements.
8. Standards for acceptance inspection, marking, and packaging of stainless steel fasteners.
9. Standards for fastener product marking methods: specifying complete and simplified marking methods.
10. Other standards for stainless steel fasteners: such as standards for fastener terminology and product weight.


