1. Slotted cylindrical head
2. Socket conical hex-head
3. Socket cylindrical hex-head
4. Slotted round head cap
5. Recessed cylindrical round hex-head
6. Slotted countersunk flat head
7. Slotted recessed countersunk flat head
8. Slotted countersunk head cap
9. Slotted wide round head
10. Hex-head screws with washer
11. Twelve point head
12. Slotted cylindrical head self-threading
13. Slotted flat countersunk head self-threading
14. Hexagon socket headless
15. Slotted headless