1-1/4"-7 x 3" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 2.84 INCHES MINIMUM AND 3.00 INCHES MAXIMUM FASTENER LENGTH: 2.84 INCHES MINIMUM AND 3.00 INCHES MAXIMUM HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.749 INCHES MINIMUM AND 0.813 INCHES MAXIMUM WIDTH BETWEEN FLATS: 1.812 INCHES MINIMUM AND 1.875 INCHES MAXIMUM NOMINAL THREAD DIAMETER: 1.25 INCHES THREAD QUANTITY PER INCH: 7 MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX CAP SCREW COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE OVERALL THREAD SERIES DESIGNATOR: UNC