Description: 1)Standard: DIN, ANSI 2)Material: Carbon Steel 3)Diameter: 2.5mm~6mm, 4#~14# 4)Length: 10~160mm, 1/2"~6" Description:1)Standard: DIN, ANSI 2)Material: Carbon Steel 3)Diameter: 2.5mm~6mm, 4#~14# 4)Length: 10~160mm, 1/2"~6" 5)Thread: UNC, UNF6)Finish: Plain, zinc, black phosphated, grey phosphated, nickel, dacroment Packing: Box, carton, bag, pallet Chipboard Screw