1/2"-20 x 1-1/2" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 1.5000 INCHES NOMINAL HEAD STYLE: C1 HEXAGON WIDTH BETWEEN FLATS: 0.750 INCHES NOMINAL END ITEM IDENTIFICATION: 6115-01-547-6738 NOMINAL THREAD DIAMETER: 0.500 INCHES THREAD QUANTITY PER INCH: 20 MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH PART NAME ASSIGNED BY CONTROLLING AGENCY: HEX CAP SCREW SPECIAL FEATURES: WEIGHT IS 0.121 LBS MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL