MATERIAL: C1045. FINISH: Black Oxide, Zinc white, Zinc Yellow . ... CARBON STEEL, C1045, BRASS, ALUMINIUM, AND OTHER MATERIAL REQUIRED BY PRINTS.FINISH: COMMON BLACK POWDER COATING, ROHS POWDER ... HAVE ANY SPECIAL REQUIREMENTS OF MATERIAL, FINISH, HARDNESS, PACKING AND SO ON, PLS GIVE US THE DETAIL ... OR PRINTS. HOPING WE CAN HAVE THE CHANCE TO WORK WITH YOU. metal pins and ...