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Pin Hex Raised Countersunk Security Machine Screw

Pin Hex Raised Countersunk Security Screws Stock Sizes

  • Raised countersunk security screw (machine thread)
  • Primarily used as protection against unauthorised access to control panels
  • As well as protecting against theft and unauthorised tampering, these screws are often used for safety reasons to prevent people from hurting themselves
  • Application areas include prisons, hospitals, mental health facilities and schools
  • Stocked in M3.5 thread specifically for electrical applications including access control panels, electrical sockets and light switches
  • Vandal resistant 2 way security screw
  • Tamper proof screw – re-usable security fixing
  • Requires special driver bits
  • Available from stock in stainless steel
Thread / Length (mm) 12 20 25 30 40 50 60
M3.5 marker-image marker-image marker-image marker-image marker-image marker-image marker-image

Description: Pin Hex Raised Countersunk Security Screws

Tamper resistant Pin Hex M3.5 Raised Countersunk Security Screws are available in stainless steel. Special Pin Hex Security Screws can be made to order to customer specification or drawing with custom thread lengths, diameters etc. available.

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 and Socket Screw with Pin.
Tamper Resistant Pin Hex 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 raised countersunk technical drawing

DK (mm) K (mm)
M3.5 6.4 1.8

*For guidance purposes only

Pin Hex Raised Countersunk Security Screws for electrical sockets