5/8"-11 x 4" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 4.000 INCHES NOMINAL HEAD STYLE: C1 HEXAGON END ITEM IDENTIFICATION: 2330-01-521-7659 NOMINAL THREAD DIAMETER: 0.625 INCHES THREAD QUANTITY PER INCH: 11 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL