1-4"-20 x 1 in Torx Flat Machine Screw, Zinc Plated Steel, 100 PK 400740

Machine Screw, Head Type Flat, Material Steel, Finish Zinc-Plated, Drive Torx(R), Thread Size 1/4 In.-20, Fastener Length 1 in, Head Width 0.507 in, Head Height 0.153 in, Drive Size T27, 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 1/2 in, Minimum Head Width Not Applicable, Maximum Head Height 5/32 in, Minimum Head Height Not Applicable