1/4"-20 x 3/4 in Hex Button Tamper Resistant Screw, Case Hardened Steel, Black Oxide Finish, 25 PK, Tamper-Pruf Screws, Mfr#: 21540

Tamper Resistant Screw, Head Type Button, Material Case Hardened Steel, Finish Black Oxide, Thread Size 1/4-20, Head Height 0.122 to 0.132 in, System of Measurement Inch, Package Quantity 25