5/16-18 x 2-1/2″ Security Machine Screw – Truss One-Way Head – Steel – Zinc – FT – UNC – 100 Pk In Demand
Original price was: $65.95.$34.29Current price is: $34.29.
Security fasteners provide an added level of security by their drive design that prevents removal with ordinary screw drivers. Maximum torque transfer & positive tool engagement means easier drive installation with less pressure & slippage. Requires matching driver bit.
Truss Head screws are widely used for general purposes, featuring a high crown with a deep recess and smaller diameter head than truss or pan heads.





