3/8"-16 x 3" Grade 8 Plain Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 3.0 INCHES NOMINAL HEAD DIAMETER: 0.562 INCHES NOMINAL GRIP DIAMETER: 0.375 INCHES NOMINAL THREAD QUANTITY PER INCH: 16 PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW SPECIAL FEATURES: PLAIN FINISH MATERIAL: STEEL FASTENER THREAD SERIES DESIGNATOR: UNC NONDEFINITIVE SPEC/STD DATA: 8 GRADE