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Security Pin Hex Cap Screw (Din 912 With Pin)

Security Pin Hex Cap Screw (Din 912 With Pin) Stock Sizes

  • Socket Cap Head Screw with security drive
  • Hexagonal socket head with centre pin to resist standard socket bits and Allen keys
  • 2 way reusable fixing requiring special driver bits or keys
  • Tamper proof resistance
  • Suitable for higher torque applications
  • An economical security solution
  • Suitable for securing solar panels in place of standard fixings (M8 thread)

Available in A2 or A4 stainless steel, all stocked sizes are listed below. Pin Hex cap screws in non-standard sizes and materials available to order, including small volume manufacture, modifications and custom parts to order


Thread / Length (mm) 5 6 8 10 12 14 16 18 20 22 25 28 30 35 40 45 50 55 60 65 70 75 80

Description: Security Pin Hex Cap Screw (Din 912 With Pin)

Pin Hex Security Cap Screw (Din 912 With Pin) are available in stainless steel and steel zinc plated (other materials available on request). They are tamper resistant fixings requiring special driver bits or keys to fix or remove. Suitable for high torque applications.
The Pin Hex drive makes it ideal for situations requiring medium security and where the fixing needs to be removed for maintenance

Advantages of Pin Hex screws

  • Designed to reduce cam-out, which can occur in Phillips and 2-hole drives
  • Less risk of damaging the drive tip, screw head and also the application
  • The Hex drive also allows better torque compared to conventional screw heads
  • Special driver bit or key required

Pin Hex security screws offer a medium security resistance against vandals and thieves at a relatively low cost.
Within the industry Pin Hex security screws are also referred to by other names including Hex Pin, Tamper Pin Hex, Socket Screw with Pin as well as Din 912 with Pin.
Tamper Resistant Pin Hex Cap machine screws can be used with Security Wave Nuts, Shear Nuts, Kinmar Reusable Nuts, Kinmar Permanent Nuts, 4-Hole Nuts or Pin Torx Barrel Nuts for added security.

Pin Hex cap screw technical drawing

DK (mm) K (mm) T (mm) S (mm)
M4 7.0 4.0 2.0 3.0
M5 8.5 5.0 2.5 4.0
M6 10.0 6.0 2.5 4.0
M8 13.0 8.0 4.0 6.0
M10 16.0 10.0 5.0 8.0

*For guidance purposes only

Security Cap Screws