1/2"-13 x 1-1/2" Grade 8 Plain Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 1.50 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD DIAMETER: 0.75 INCHES NOMINAL THREAD QUANTITY PER INCH: 13 PART NAME ASSIGNED BY CONTROLLING AGENCY: CAP SCREW;HEX BOLT SPECIAL FEATURES: SIZE0.50 DIAMETER;FNL;PLAIN;GRADE 8 MATERIAL: STEEL CORROSION RESISTING FASTENER THREAD SERIES DESIGNATOR: UNC