1/4"-20 x 3/4" Grade 2 Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.75 INCHES NOMINAL FASTENER LENGTH: 0.75 INCHES NOMINAL HEAD STYLE: C1 HEXAGON END ITEM IDENTIFICATION: BEAR POWER UN NOMINAL THREAD DIAMETER: 0.250 INCHES THREAD QUANTITY PER INCH: 20 SPECIAL FEATURES: ZINC FINISH MATERIAL: STEEL OVERALL THREAD SERIES DESIGNATOR: UNC