1/2"-20 x 1-3/4" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.75 INCHES NOMINAL FASTENER LENGTH: 1.75 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.302 INCHES MINIMUM AND 0.323 INCHES MAXIMUM WIDTH BETWEEN FLATS: 0.736 INCHES MINIMUM AND 0.750 INCHES MAXIMUM END ITEM IDENTIFICATION: 2330015386359 NOMINAL THREAD DIAMETER: 0.50 INCHES THREAD QUANTITY PER INCH: 20 MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH SPECIAL FEATURES: MATERIAL IS GRADE 8 STEEL. YELLOW ZINC COATING MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC ALLOY OVERALL THREAD SERIES DESIGNATOR: UNF