... bolt 1. Material: 35k,q235, c1010 2. Surface: plain, black, zinc plated 3. Grade,6.8,8.8. 12.9 ... bolt 1. Material: 35k,q235, c1010 2. Surface: plain, black, zinc plated 3. Grade,6.8,8.8. 12. ... 8.84) Materail: C1010, Q235, 35#, 45#5) Surface: plain, black, zinc plated (yellow, blue)6) Packing: 25kg/carton, bulking, ... .8 5.6 5.8 6.8, 8.8Finish: plain, black, zinc plated (yellow, blue)Size: M8*55-120 ...