#10-32 x 5/8" ASTM F837 Hex Drive Grade 18-8 Stainless Steel Socket Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.625 INCHES NOMINAL FASTENER LENGTH: 0.625 INCHES NOMINAL HEAD STYLE: C66 KNURLED NO. 1 HEAD DIAMETER: 0.303 INCHES MINIMUM AND 0.312 INCHES MAXIMUM HEAD HEIGHT: 0.185 INCHES MINIMUM AND 0.190 INCHES MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON NOMINAL THREAD DIAMETER: 0.190 INCHES WIDTH ACROSS FLATS: 0.156 INCHES NOMINAL THREAD QUANTITY PER INCH: 32 MATERIAL: STEEL CORROSION RESISTING OVERALL THREAD SERIES DESIGNATOR: UNC