1). Standard of hex head wood screw: DIN571, ANSI/ASME. BSW, ISO, etc
2). Material of hex head wood screw: Carbon Steel, Stainless steel, Aluminium, Brass
3). Diameter of hex head wood screw: M6~M16, 1/4"~3/4"
4). Length of hex head wood screw: 25~280mm, 1"~8"










