Hex Lock Nuts

Standard:DIN ISO ANSI JIS ASTM or according to the drawing.
Finish:Black,Zinc plated,Zinc yellow
Meterial:SS201 SS304 SS303 SS304 SS316 , Carbon steel,Alloy steel.
Grade:4.8/8.8/10.9/12.9, A2 A4
Packing:Bulk +Canton+Pallet, Small Boxes+Carton+Pallet, or Customer Request