Roofing screw, C1022, Hex washer head, with Metal and Rubber(EPDM WASHER, Normal washer)Heat treatment(Hardend) Zinc Plated, Painting head, small box packing.

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