Button Hd Hex + Pin Security M/Screw

Pin Hex security screws have been manufactured with an internal pin within the standard socket aperture. This prevents removal with standard hexagon keys. This system is suitable for medium torque applications and is one ofthe most difficult screws to remove without the matching driver. Available from stock in AB type self tapping screws and metric machine screws as shown below and anchor systems (see pages 40-41).