1/4"-20 x 2-1/2 in Tri-Groove Round Tamper Resistant Screw, Steel, Zinc Plated Finish, 10 PK, Tamper-Pruf Screws, Mfr#: #0220

Tamper Resistant Screw, Head Type Round, Material Steel, Finish Zinc Plated, Drive Tri-Groove, Thread Size 1/4 In.-20, Fastener Length 2 1/2 in, Head Width 0.37 in, Head Height 0.148 in, Drive Size #10, Pack Size Small, Type Tamper Resistant Screw, System of Measurement Inch, Thread Type Coarse, Package Quantity 10