Tri-Groove Tamper Proof Screw and Security Nut Driver Sockets #20 - Qty 1
- Tri Groove Driver Sockets are made of Alloy Steel..
- The TriGroove tamper resistant fastener drive style is also referred to as: Tri-Groove, T Groove, Trident Drive and Coned Trident Drive..
- Security nuts are installed using a special Tri Groove socket, which grips the indentations along the outside of the fastener to turn the nut along a thread..
- Tri Groove nuts can only be fastened with Tri Groove Driver sockets..
- Fits tri-groove nut sizes 10, 1/4. Fits tri-groove screw sizes 5/16, 3/8..