... carbon steel,stainless steel 2.Finish:zinc,black 3.Grade:8.8,10.9,12.9 [ Product Description]Hex bolt ... hot-dip zinc, hot-dip galvanizing, black, dacrometGrade4.8,6.8,8.8,10.8,12.9SizeM3-M80ThreadFull thread,non-full threadPackingless than 25kgs ... pallet or small box + carton + palletPortShanghai/NingboMOQ100,000pcs per size or 500kgs per sizeProduction Capacity1,000Tons per monthDelivery time25 days ...