Machine Screw Head Type Round Material Steel Finish Zinc Plated Drive Slotted Thread Size #5-40 Fastener Length 2 1/2 in Head Width 0.237 in Head Height 0.095 in Tensile Strength 60 000 psi Dimensional Standards ASME B18.6.3 Pack Size Small Type Standard Machine Screw Maximum Head Width 0.237 in Minimum Head Width 0.215 in Maximum Head Height 0.095 in Minimum Head Height 0.083 in System of Measurement Inch Thread Type Coarse Package Quantity 100