5/8"-11 x 1-3/4" ASTM F593 316 Stainless Steel Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.670 INCHES MINIMUM AND 1.750 INCHES MAXIMUM FASTENER LENGTH: 1.750 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.378 INCHES MINIMUM AND 0.403 INCHES MAXIMUM WIDTH BETWEEN FLATS: 0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM END ITEM IDENTIFICATION: 4320-01-617-7587 NOMINAL THREAD DIAMETER: 0.625 INCHES THREAD QUANTITY PER INCH: 11 PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX CAP SCREW MATERIAL: STEEL COMP 316 OVERALL THREAD SERIES DESIGNATOR: UNC