Sentinel Countersunk Machine Screw

▶ The original Nettlefolds one-way Pozidriv security system
▶ Screws can only be driven in a clockwise direction
▶ No specialist tools required – use standard Pozidriv screwdrivers and bits
▶ Drive with cordless tools for easy and fast application
▶Countersunk head for a flush finish in a countersunk hole (screw length includes head)
▶ Manufactured in hardened steel