... .SPECIFICATION:MATERIAL: LOW CARBON STEEL, C1045, BRASS, ALUMINIUM, AND OTHER MATERIAL REQUIRED BY PRINTS.FINISH: COMMON BLACK POWDER COATING, ROHS POWDER COATING ... 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 fasteners