Sentinel security screws – countersunk head
Countersunk head sentinel screws have a unique head which can only be turned one-way, so once securely tightened, they are very difficult to remove.
Sentinel security screws are installed using only a standard cross head or pozi driver. Quick to install with screwdrivers or power drivers, these are a popular choice for installers and for large volume applications.
- 1-way permanent security fixing
- Tamper-proof for use where maintenance is not required
- Countersunk head security screw
- Suitable for high torque applications
- Good for use with power drivers
- Typically used in prisons, public facilities and toilets and for industrial roofing
Countersunk head security machine screws
The Sentinel drive offers medium security resistance against vandals and thieves at a relatively low cost. An adaptation of the original Nettlefolds ‘Pozi’ drive, designed to provide a secure and permanent fixing, and can be used in high volume, inserted with a power tool.
With high resistance to cam-out, Sentinel screws are a preferred choice for applications requiring high volume, labour intensive work.
Sentinel countersunk machine screws can be used with security Wave Nuts, Shear Nuts, Kinmar Reusable Nuts, Kinmar Permanent Nuts, 4-Hole Nuts or Pin Torx Barrel Nuts for added security.
Available from stock in zinc plate, with other sizes and materials available to order.
Specials made to order, including medium / high volume manufacture, modifications and custom parts to drawings – please enquire.
|Thread / Length (mm)||12||16||20||25||30||40|