Self-tapping screw type

1. Ordinary self-tapping screws
2. Cut self-tapping screws
3. Self-extruding tapping screws
4. Drilling and tapping screws
5. Metal drive screws
6. Wall plate self-tapping screws
7. Fiberboard nails
8. Combined self-tapping screws
9. Other types of self-tapping screws