Self tapping screws are most often used to fasten sheet metal composite materials, woods and plastics. They have a high tensile strength value, and are durable enough to handle repetead assembly and disassembly. There are two different kinds of self tapping screws: thread forming and thread cutting.
1. Meterial: Stainless steel;Steel C1022,C1018. 2. Recess: Philips, Pozi, Slot, Torx, Hexundercut, Square. 3. Diameter: #4-#14. 4. Length: 3/8" - 5".