Name: DIN961 fine pitch thread bolt Finish: black/galvanized Standard: DIN961 1)Standard: DIN9612)Grade: ... ; 10.9; 12.93)Size: M8--M42 length:6--4204)Material:carbon steel, alloy steel.(35k,45#,40Cr ... ,42CrMoA)5)Process:Cold heading/hot forging6)Finish:black oxidized zinc plates(white Zinc,blue Zinc,color ... Zinc,white&blue Zinc,black Zinc) hot dip galvanized. Dacromet7)Packing:25kg ...