zinc bolt & screw 1.With GB,DIN,ANSI,ISO,AS standard, ... product performance 3.Products based on your requireme zinc bolt & screw1. produce: White zinc bolt & screw 2.size: m6-30x20-250mm 3 ... .D.G10.97.DIN79907.Q195 (E)CR3+zinc (B)ISO(B)Swrch35k (F)CR6+zinc 1.ISO4014C)45# (G)dacromet 2.ISO4017 ... .6,5.8,6.8,8.8,10.96)finish:zinc, black, plain,H.D.G.7) material :Carbon Steel,swrch35k ...