Security Screws

A standard Pozi or Phillips screw is easily removed by anyone with the most basic toolkit - and in public, commercial, or security-sensitive settings, that's a significant vulnerability. At the DIY Hardware Store, our security screws range covers the specialist drive formats that resist unauthorised removal, including clutch head, sentinel, pin-hex, and other tamper-resistant screw types used in public facilities, outdoor furniture, and security-critical installations.

Security screws work on a simple principle: either the drive recess requires a specialist bit that isn't in a standard toolkit (pin-hex, two-hole, or Torq-set), or the head geometry allows driving in but resists driving out (clutch head, one-way). The level of deterrence varies - some formats are defeated by readily available bits; others require specialist tools that are only available to authorised maintenance personnel.

The DIY Hardware Store stocks the most commonly specified security screw types for toilet cubicle fittings, outdoor furniture, signage, and general vandal-resistant installation applications, in zinc-plated countersunk and round head formats.

  • Clutch head (one-way) screws resist removal by standard screwdrivers
  • Sentinel security countersunk woodscrews for tamper-resistant fixing
  • Used in public toilets, outdoor furniture, and signage
  • Zinc-plated countersunk and round head formats
  • Deters casual and opportunistic removal attempts
  • Available in standard joinery and sheet metal sizes