Security bits and drivers are used with security screws to create a secure fastener assembly. These bits and drives feature unconventional and unusual styles that are not found in the typical driver set. They can be used wherever vandalism or tampering may be suspected. Tamper proof bits are used to add extra security to an assembly by using these unusual styles which make removal of security screws difficult if not impossible without matching security bits.
The Spanner, or snake eye, drive features a two point drive system that cannot be gripped by the conventional drive styles. The Torx and Hex key drives in this selection now also feature a hole in the center to accommodate a pin placed in the center of their fastener counterpart. This pin keeps other drives and gripping devices from being able to grip them.
There is also a security drive for security nuts called the Tri-Groove security nut socket. This socket has three notches designed to fit into the three on a cone shaped nut. The cone shape of the nut makes gripping devices slip and does not allow a place for a standard wrench to grip.
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