3/4"-10 x 2-3/4" Grade 5 Zinc Finish Hex Cap Screw / THREAD CLASS: 2B THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 2.75 INCHES NOMINAL HEAD STYLE: C1 HEXAGON END ITEM IDENTIFICATION: R18 FLP ASSEMBLY NOMINAL THREAD DIAMETER: 0.750 INCHES THREAD QUANTITY PER INCH: 10 MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: UNC