Article name : M24 Corrosion Resistance Hex Serrated Lock Nut Brand : ESLO Part Number : ESLO212420 Material : Carbon steel /alloy steel /stainless steel 304 ,316 available Fastener Type : Hex Flange/ Hex Thread Size : M24 Thread pitch : 2 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...