Pin Hex Socket Countersunk Security Screw A2**The Security Driver Bits are sold separately. The Driver Size is detailed above in the product attributes** Hexagon socket screws manufactured with an internal pin.A Pin Hex Socket Countersunk Security Screw is a tamper-resistant fastener with a hexagonal drive that has a central pin, requiring a special driver bit for installation and removal, and a head designed to sit flush with the surface, offering medium torque and entry level security for preventing unauthorized access in commercial, public, or high-value applications.Key FeaturesTamper-Proof Drive: The pin in the centre of the hex socket prevents standard Allen keys or Torx bits from fitting, forcing the use of a matching security driver.Countersunk Head: The conical head sinks flush into a pre-drilled countersunk hole, creating a smooth, snag-free, and aesthetically pleasing finish.Medium Torque: The internal hex drive allows for even force distribution, enabling higher tightening torques and reducing cam-out (stripping the drive) compared to some other security screws.Material: Corrosion-resistant A2 (304) stainless steel for durability.ApplicationsPublic furniture and fixturesElectrical enclosures and control panelsMachinery and equipment requiring controlled accessSignage and architectural installationsHow it WorksInstallation: Use a specific Pin Hex security bit to drive the screw in.Security: Without the matching driver, the screw cannot be easily removed, deterring vandalism or tampering.