#10-24 x 5/8" ASTM F879 Hex Drive Grade 18-8 Stainless Steel Flat Socket Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.625 INCHES NOMINAL FASTENER LENGTH: 0.625 INCHES NOMINAL HEAD STYLE: C50 FLAT COUNTERSUNK HEAD DIAMETER: 0.411 INCHES NOMINAL HEAD HEIGHT: 0.127 INCHES NOMINAL INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: COM STORES DO NOMINAL THREAD DIAMETER: 0.190 INCHES WIDTH ACROSS FLATS: 0.125 INCHES NOMINAL THREAD QUANTITY PER INCH: 24 COUNTERSINK ANGLE: 82.0 DEGREES NOMINAL MATERIAL: STEEL COMP 302 OVERALL OR STEEL COMP 304 THREAD SERIES DESIGNATOR: UNC