3/4"-10 x 4-1/2" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.75 INCHES NOMINAL FASTENER LENGTH: 4.40 INCHES MINIMUM AND 4.50 INCHES MAXIMUM HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.455 INCHES MINIMUM AND 0.483 INCHES MAXIMUM WIDTH BETWEEN FLATS: 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM END ITEM IDENTIFICATION: MRAP-COUGAR NOMINAL THREAD DIAMETER: 0.750 INCHES THREAD QUANTITY PER INCH: 10 MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH MATERIAL: STEEL OVERALL SURFACE TREATMENT: DICHROMATE ZINC OVERALL AND ZINC THREAD SERIES DESIGNATOR: UNC