Machine Screw, Head Type Round, Material Steel, Finish Zinc-Plated, Drive Combination Slotted/Phillips, Thread Size 1/4 In.-20, Fastener Length 4 in, Head Width 0.477 in, Head Height 0.175 in, Drive Size 3, Tensile Strength 60,000 psi, Dimensional Standards ASME B18.6.3, Pack Size Small, Type Machine Screw, Maximum Head Width 31/64 in, Minimum Head Width Not Applicable, Maximum Head Height 11/64 in, Minimum Head Height Not Applicable, System of Measurement Inch, Thread Type Coarse








