Self-drilling fasteners for attaching into metal, aluminum,or stainless steel.Drills hole, forms mating thread and clamps home in one easy operation. No more need for using the other pre-drilling tools. Most screws are available with painted heads, protective coatings and bonded neoprene washers to order.
1. Meterial: Stainless steel;Steel C1022, C1018 2. Head: Hex head, Hex flange head, Pan head, Pan framing head, Flat head, Truss head, Wafer head, Oval head, Flower head. 3. Recess: Philips, Pozi, Slot, Torx, Hex undercut, Square. 4. Diameter: #4-#14. 5. Length: 3/8" - 5" mm. 6. Zinc plated 3 - 5 my or 5 - 8 my.
China
