| 合作開發 Security Drive/Temper-Proof Fastener  | 
  ||||
  | 
  ||||
| 1 - 5  |  6 - 8 | 
  ||||
       
  | 
    ![]()  | 
    1 | Button Head (Torx Temper-Proof)  Machine Screw BT (TR+PIN) 3/8-16×1"  | 
  |
![]()  | 
    2 | Pan Head (Square/Robertson Temper-Proof) Self-Drilling Screw P (□+PIN) #8-20×20  | 
  ||
![]()  | 
    3 | Flat Head (Hexagon Recessed Temper-Proof) Tapping Screw F (HEX+PIN) M3.5-AB×13  | 
  ||
![]()  | 
    4 | Oval Head (Hex Temper-Proof) Tapping Screw Oval Head (Torx Temper-Proof) Tapping Screw O (HEX+PIN) M3.5-0.6×12 O (TR+PIN) M3.5-0.6×30  | 
  ||
![]()  | 
    5 | 
    Socket Head  (Hexagon Recessed Temper-Proof) Bolt SOCKET( (HEX+PIN) 1/4-20×1"  | 
  ||