Production range:1)Standard: DIN 9332)Grade: 8.8 ; 10.9; 12.93)Size: M8M42 length:64204)Material:carbon steel, alloy steel.(35k,45#,40Cr,35CrMoA,42CrMoA)5)Process:Cold heading/hot forging6)Finish:black oxidizedzinc plates(white Zinc,blue Zinc,color Zinc,white&blue Zinc,black Zinc)hot dip galvanized.Dacromet7)Packing:25kg per export carton with PVC belt fasten,36 cartons packed in a pvc frame.8)Supply Ability:1000 tons per month.9)Delivery:7-45 daysProductivity:800 tons/month