The following is an introduction to 316 Corrosion Resistance Hex Serrated Lock Nut, I hope to help you better understand 316 Corrosion Resistance Hex Serrated Lock Nut. Welcome new and old customers to continue to cooperate with us to create a better future together! Brand : ESLO Material : Stainless SS316 Fastener Type : Hex Flange/ Hex Thread Size : M27 Thread pitch : 3.0 Drive System : External Hex Finish type : Black oxide /black phosphate /blue zinc plated/ zinc chromate /nickel ...etc HS code : 7318160000 Standard : DIN, ANSI, GB, JIS, BS ,ASTM ,ISO...