1.achieved ISO9001:2000 2.Standards:DIN,ANSI/ASME,BS,GB,JIS,Non-standard 3.Class:4.8 ... .8,10.9,12.9 4.Surface:customers demand 1. Standards: DIN ,ANSI/ASME, BS, GB, JIS, Non-standard2. Material: Carbon ... M20-140MM and the length is from 60MM-1400MM. 2. Metric and ANSI round head oval neck bolt (fish bolt) with ... property of Grade 4.8, 8.8, 10.9 and ANSI Grade 2, 5 and 8. 7. Various nuts, flat gaskets, ...