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Step 65Sentinel® Security Screws
[[br]]The Sentinel® Security Screw has a unique head that requires only a standard 'Pozi' screwdriver for insertion.
There is no surface to catch for counterclockwise force. This unique feature renders the Sentinel® Security Screw tamper proof, reducing the risk of vandals or intruders tampering or undoing the screws. Due to the design of the Sentinel® Security Screw it is suitable for higher torque applications and is a 1-way permanent vandal resistant security screw.[[br]]
There is no surface to catch for counterclockwise force. This unique feature renders the Sentinel® Security Screw tamper proof, reducing the risk of vandals or intruders tampering or undoing the screws. Due to the design of the Sentinel® Security Screw it is suitable for higher torque applications and is a 1-way permanent vandal resistant security screw.[[br]]
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This is such a simple design, yet so effective. I've seen this screw used on locks in toilets at certain restaurants. From the outside of the door, you can only see the flanged keyhole, but at the back is the proper workings of the lock. I'd imagine that it's impossible to remove the screw without destructive methods.