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marketing@gntcn.comProduct information
Standard:ISO, GB, BS, DIN, ANSI,JIS, Non-standard
Size:M2-M100, according to customer's demand
Material:Carbon Steel, Stainless steel, Alloy Steel
Grade:4.8, 6.8, 8.8, 10.9,12.9
Finish:ZINC, Plain, Dacromet