#8-32 x 5/8" ASTM F837 Hex Drive Grade 18-8 Stainless Steel Socket Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM FASTENER LENGTH: 0.600 INCHES MINIMUM AND 0.630 INCHES MAXIMUM HEAD STYLE: C48 FLAT FILLISTER HEAD DIAMETER: 0.257 INCHES MINIMUM AND 0.270 INCHES MAXIMUM HEAD HEIGHT: 0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: 01-579-6850 NOMINAL THREAD DIAMETER: 0.164 INCHES WIDTH ACROSS FLATS: 0.1406 INCHES MINIMUM AND 0.1426 INCHES MAXIMUM THREAD QUANTITY PER INCH: 32 MATERIAL: STEEL CORROSION RESISTING OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F837 SINGLE MATERIAL RESPONSE OVERALL THREAD SERIES DESIGNATOR: UNRC