3/8"-16 x 7/8" Grade 8 Yellow Zinc Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 0.850 INCHES NOMINAL END ITEM IDENTIFICATION: 2320-01-465-2174 THREAD QUANTITY PER INCH: 16 SPECIAL FEATURES: BLACK ZINC,WIDTH OF HEAD AT WIDEST PNT .639IN MATERIAL DOCUMENT AND CLASSIFICATION: SAE J429 GR8 ASSN STD ALL MATERIAL RESPONSES OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: UNC