#4-40 x 1/2 in One-Way Round Tamper Resistant Screw, 18-8 Stainless Steel, Plain Finish, 100 PK, Tamper-Pruf Screws, Mfr#: 141404

Tamper Resistant Screw, Head Type Round, Material 18-8 Stainless Steel, Finish Plain, Drive One-Way, Thread Size #4-40, Fastener Length 1/2 in, Head Width 0.211 in, Head Height 0.086 in, Drive Size #4, Dimensional Standards ASME B18.6.3, Pack Size Small, Type Tamper Resistant Screw, Maximum Head Width 0.211 in, Minimum Head Width 0.193 in, Maximum Head Height 0.086 in, Minimum Head Height 0.075 in, System of Measurement Inch, Thread Type Coarse, Package Quantity 100