9/16"-18 x 2" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 2.000 INCHES NOMINAL HEAD STYLE: C1 HEXAGON END ITEM IDENTIFICATION: 2355-01-567-4930; MINE PROTECTED CLEARANCE VEHICLE A2 NOMINAL THREAD DIAMETER: 0.563 INCHES THREAD QUANTITY PER INCH: 18 COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: UNF