1) Standard: DIN84, DIN85, DIN86, DIN7985, DIN963, DIN964, DIN965, DIN966, IFI F18, F24, F36 2) Head type: pan, flat, round, truss, oval head 3) Drive style: slotted, Philips, slotted / Phil combined, Pozi 4) Material: steel, brass, stainless steel 5) Surface treatment: electric galvanized, black (black phosphated) , Copper-plated, nickel-plated Products: 1) Pan head machine screw 2) Flat head machine screw 3) Oval machine screw 4) Thumb screw Packing: boxes in cartons, then in pallets or according to customers' requirements