Security Products
VIEW ALL CATEGORIES →Nine core categories of tamper-resistant fasteners and the tools to install them — from pin-in 6-lobe and hex screws to Tri-Groove and break-away nuts, in 18-8, 316, and 410 stainless as well as plated steel. Stocked deep for immediate release, with custom specials made in the USA to your print.
Bits & Keys
Driver bits and short-arm L-keys for every tamper-resistant drive system we stock.
Drivers & Kits
Hand drivers, complete security bit sets, and field kits for installation and service.
Tri-Groove Sockets
Tri-Groove sockets for turning tamper-resistant nuts and bolts.
6-Lobe Security
Pin-in Torx®-style 6-lobe cap, sheet-metal, self-drilling, and concrete/masonry screws.
Hex Socket Security
Pin-in hex (Allen) cap and sheet-metal screws for controlled-access fastening.
Spanners
Two-hole spanner machine and sheet-metal screws for public installations.
One-Ways
Install-only one-way screws that cannot be backed out with common tools.
Tri-Groove Screws
Tri-Groove machine and sheet-metal screws for high-security, anti-theft use.
Security Nuts
Tri-Groove and break-away nuts in zinc alloy and stainless to complete a secure joint.
If it can't be found on the shelf, we make it. Custom and one-way security fasteners built to your print — in the head style, drive, and finish your job demands.
Since 1960 we have helped OEMs, integrators, and MROs lock down their assemblies against tampering and theft. From stock security drives to fully custom specials, our team sources and manufactures the exact fastener you need.
Send Us a Print →Beyond security — a full line of commercial fasteners.
Screw & Supply began as a general full-line fastener distributor, and we still stock a deep inventory of standard commercial hardware — ready to ship.
See Commercial Line →- 01Machine Screws
- 02Nuts
- 03Washers
- 04Spacers & Standoffs
- 05Sheet-Metal Screws