Hex head Wood Screw, DIN571, 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"
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