Standard:DIN,ANSI,ASME,GB,JIS,etc Certification:ISO9001:2008, ISO14001:2004 Payment term:30% in advance, 70% before shipment. Samples 100% in advance Material:Stainless Steel,Steel,Brass,Carbon steel,Titanium,etc Standard:ISO, GB, ANSI, DIN or non standard as customize Size:M4-M54,etc Length:10mm-500mm,etc Surface Treatment:Galvanized zinc,hot galvanized,black oxide,dacromet,etc Quality:Top high Quality Service:OEM&ODM Lead time:10-15 working days as usual,It will based on the detailed order quanti (1000) pcs black oxide 12mm-1.5 one side 12mm-1.75mm 2nd side Total Length 232mm high grade with matching hardened 3mm thick washers and hardened 12point nuts with 1.75mm thread. Show More