7/8"-14 x 8-1/2" Grade 8 Plain Finish Hex Cap Screw / FASTENER LENGTH: 8.500 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.563 INCHES MAXIMUM WIDTH BETWEEN FLATS: 1.312 INCHES MAXIMUM END ITEM IDENTIFICATION: NSN: 2320-01-531-6425 PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW HHCS SPECIAL FEATURES: 7/8-14 X 8 1/2 INCH GRADE 8 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL