INDICATORS ON TYPES OF SCREW HEADS YOU SHOULD KNOW

Tamper-evidence screws may be used to deter or reduce vandalism in buildings or destinations which are open to the public. The bizarre travel distinguishes this stability screw type, earning disassembly or tampering more challenging, if not difficult. The top of your screw includes a recessed hexagon into which a hex, Allen key or hex screw driver

The idea on the screw might also vary, with a few screws possessing a sharp, self-drilling place that gets rid of the need for pre-drilling pilot holes, while others require a pre-drilled hole to be certain correct installation. The ‘oval trim’ head is the same as the typical ‘oval’ head, but with a more compact diameter and countersink.