7/8"-9 x 1-1/2" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM WIDTH BETWEEN FLATS: 1.465 INCHES MINIMUM AND 1.516 INCHES MAXIMUM END ITEM IDENTIFICATION: 230015386359 THREAD QUANTITY PER INCH: 9 SPECIAL FEATURES: PLATED WITH CLEAR ZINC COATING AND WITH YELLOW DICHROMATE;MINIMUM TENSILE STRENGTH 150,000 PSI FOR 1/4-1-1/2 INCH MATERIAL: STEEL OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: GRADE 8 PER SAE J429 MIL STD SINGLE MATERIAL RESPONSE OVERALL SPECIAL TEST FEATURES: BEFORE COATING IFI 166 PERMISSIBLE AFTER COATING SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: COATING IRON/ZINC 5C PER ASTM F1941 ASSN STD SINGLE TREATMENT RESPONSE OVERALL