Our Security Bit Sets comprise 61 different pieces, covering all the common head types of Security Screws.
There are 18 different Security Bits and 43 other bits covering Slotted, Pozidrive, Phillips, Torx and Hexagon drives, which work well with any security screwdriver. The normal drives include plenty of smaller sized standard Torx bits that are rarely included in standard sets.
Self-Tapping Screws usually referred to as Self-Tappers, are screws for use when fastening to metal or plastic. The main difference with Self-Tappers is that they eliminate the need for pre-drilling a hole as a separate operation.
All that is required to insert a Self-Tapper is a pilot or punched hole to introduce the screw. They then form their own thread as the screw is driven into position. Once inserted, Self-Tapping Screws may be removed and re-used.
Security Screws are generally used to deter removal (often for safety purposes) or to prevent theft. They are commonly found in public conveniences, schools, prisons; on cars, boats, public transport; and in electrical items.