1"-8 x 3" Grade 8 Plain Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 3.0 INCHES NOMINAL NOMINAL THREAD DIAMETER: 8.0 INCHES PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW SPECIAL FEATURES: ITEM HAS PLAIN FINISH;DIAMETER 1.0 INCH;GLOBALLY SOURCED THREAD SERIES DESIGNATOR: UNC NONDEFINITIVE SPEC/STD DATA: 8 GRADE