Security Screws

An introduction to security fasteners.
Security fasteners,as the name indicates, are fasteners that provide an added level of security by their drive design that prevents removal with ordinary screw drivers. Fast Fix Direct Ltd offers a variety of security fastener head-styles, drives and matching tools for their installation and removal. Security screws are available in self tapping for sheet metal and machine threads. The following information will tell you all there is to know about security Screws.

Shapes of screw head

(a) Pan, (b) Button, (c) Round, (d) Truss, (e) Countersunk, (f) Raised countersunk

Heads available in security screws

PAN
Features a low profile, large diameter head with a high-edged crown for increased strength
Button
Widely used for general purposes. Features a high crown and smaller diameter head..
Countersunk
Installs flush with metals surfaces or countersinks with softer materials for clean appearance.
Raised Countersunk
Used where countersink installation is desired. Rounded head offers deep recess & is visible just above the surface.

Snake Eyes^®

The original Snake Eyes^® requires matching driver bit reducing the chances of unauthorized removal. Available in stainless steel.   

Phillips Pin-Head

Traditional Phillips drive with tamper-resistant pin added for security. Easy to drive & remove with matching tool. (Cannot be removed with Phillips Screwdriver.) Available in machine & sheet metal screws with countersunk or Pan-Head design in stainless steel. 

Socket Pin-Head

Engineered for a high degree of tamper-resistance offering positive engaging, high torque transmission while resisting cam-out and tool wear. Available in Button & Flat-Head design. Matching driver bit required for installation and removal.  Made of stainless steel.                     

Torx® Pin-Head

Maximum torque transfer & positive tool engagement means easier drive installation with less pressure & slippage. Torx^® Pin-Head offers a high degree of security & requires matching driver bit. Available in:

• Button & countersunk machine screws
• Button & countersunk self-tapping screws 
• Stainless steel 

Torx^{® is the intellectual property of Acument Global Technologies Inc}

Clutch Head

Popular design installs with standard screwdriver. Reverse side cammed out to prevent unauthorized removal.  These wood screws are available in hardened steel zinc plated.

Shear Nut (steel galvanised coating)

Hexagon nut breaks away when nut is tightened leaving only the tamper-resistant conical portion. No special tool is required - uses standard wrench for installation. Available in metric sizes only.