1/4"-28 x 1-1/2" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 1.500 INCHES NOMINAL HEAD STYLE: C1 HEXAGON WIDTH BETWEEN FLATS: 0.437 INCHES NOMINAL NOMINAL THREAD DIAMETER: 0.250 INCHES THREAD QUANTITY PER INCH: 28 MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH PART NAME ASSIGNED BY CONTROLLING AGENCY: 1/4 INCH-28 X 1-1/2 INCH YELLOW ZINC FINISH SAE J429 GRADE 8 HEX CAP SCREW COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: DICHROMATE ZINC OVERALL THREAD SERIES DESIGNATOR: UNF