Weifang Steel grade stainless steel screws, also known grades of steel products, the general phonetic alphabet, chemical element symbols and Arabic numerals indicate the combination of steel product names, uses, properties and process approach. Contents 1 2 grades that the three named symbol length dimension a symbol editor named grades of steel products, said Binzhou stainless steel screws, generally use phonetic alphabet sunshine stainless steel screws, chemical element symbols and methods of combining Arabic numerals to represent [1]. Standard types of references The following standards contain provisions which, through reference in this text, constitute provisions of the standard. At time of publication, the editions indicated were valid. All standards are subject to revision, the standard parties should explore the possibility of using the latest version of the following standards. GB / T 2 -1985 externally threaded fasteners end parts (eqv ISO 4753: 1983) GB / T 90-1985 Fasteners acceptance inspection, marking and packaging (eqv ISO 3269: 1984) GB / T 196-1981 ordinary Thread basic dimensions (diameter 1--600m m) GB / T 197-1981 common thread tolerance and cooperation (diameter 1-355m m) GB / T 1237-2000 fasteners labeling method (eqv ISO 8991: 1986) GB / T Mechanical properties of fasteners Bolts, screws and studs (idt ISO 898-1: 1999) 304 stainless steel screws, stainless steel bolts 316, 304 stainless steel nuts, stainless steel self-tapping screws. Stainless steel self drilling screws, 316L stainless steel screws. 316 stainless steel cotter pin. 304 stainless steel screws. Stainless steel screws Qingdao, Jinan Road ground (certified), stainless steel screws provided by Jinan Daoqin Trading Company. Jinan Daoqin Trading Company (www.daoqinshangmao.com) (www.daoqinshangmao.com) Shandong Jinan, hardware accessories leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Jinan Road ground in leadership with the staff warmly welcome all inquiries negotiations to create Jinan Daoqin a better future.