Wood screw, DIN571, C1022, hex head, Heat treatment(Hardend) or not, Zinc Plated/, bulk packing/small box packing.

We are a manufacturer which specialize in production of various kinds of fasteners(such as wood screw, self-tapping screw, roofing screw, chipboard screw, drywall screw, self-drilling screw, concrete screw, window frame screw etc. ).