1/4"-20 x 2" Grade 8 Plain Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 2.0 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD DIAMETER: 0.437 INCHES NOMINAL NOMINAL THREAD DIAMETER: 20.0 INCHES THREAD QUANTITY PER INCH: 20 PART NAME ASSIGNED BY CONTROLLING AGENCY: SCREW SPECIAL FEATURES: MEDIUM CARBON ALLOY STEEL;FNL;PLAIN;0.25 DIAMETER;PART OF TURRET ASSEMBLY FRAME MR30 MATERIAL: STEEL CORROSION RESISTING FASTENER THREAD SERIES DESIGNATOR: UNC NONDEFINITIVE SPEC/STD DATA: 8 GRADE