3/8-16 x 1-1/2in Tamper-Proof Security Cap Screw - Button Socket Head - 18-8 Stainless Steel - 25 Pk

3/8-16 x 1-1/2 security cap screw - button socket head - 18-8 stainless steel - pkg of 25 security fasteners provide an added level of security by their drive design that prevents removal with ordinary screw drivers. Engineered for a high degree of tamper-resistance offering positive engaging, high torque transmission while resisting cam-out and tool wear. Matching driver bit required for installation and removal.