Pin Hex Countersunk Machine Screw

- Manufactured with an internal pin in the socket recess to repel standard hexagon tools
- Stocked in 304 Stainless, other materials and sizes made to order.
- Countersunk head seats flush with material.
In order to bring the Pin Hex range of Security Fasteners into line with International Standards, our supplier manufacturers are now making this range with the correct METRIC DRIVE. The old IMPERIAL DRIVE RECESS are being phased out. Please see Clearance Stock sections for these items.