1/4"-20 x 3/4 in Tri-Groove Round Tamper Resistant Screw, Zinc Plated Finish, Steel, 50 PK

Tamper Resistant Screw, Head Type Round, Material Steel, Finish Zinc-Plated, Drive Tri-Groove, Thread Size 1/4 In.-20, Fastener Length 3/4 in, Head Width 0.37 in, Head Height 0.148 in, Drive Size #10, Dimensional Standards ASME B18.6.3, Pack Size Small, Minimum Thread Length Not Applicable, Type Machine Screw, Washer Outside Diameter Not Applicable, Washer Thickness Not Applicable, Maximum Head Width 3/8 in, Minimum Head Width Not Applicable, Maximum Head Height 9/64 in