7/16"-14 x 1-1/4" ASTM A574 Hex Drive Zinc Finish Alloy Steel Socket Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.19 INCHES MINIMUM AND 1.25 INCHES MAXIMUM FASTENER LENGTH: 1.19 INCHES MINIMUM AND 1.25 INCHES MAXIMUM HEAD STYLE: C44 FILLISTER HEAD DIAMETER: 0.642 INCHES MINIMUM AND 0.656 INCHES MAXIMUM HEAD HEIGHT: 0.430 INCHES MINIMUM AND 0.438 INCHES MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: 3930-01-599-9978 NOMINAL THREAD DIAMETER: 0.4375 INCHES WIDTH ACROSS FLATS: 0.3750 INCHES MINIMUM AND 0.3790 INCHES MAXIMUM THREAD QUANTITY PER INCH: 14 MATERIAL: STEEL UNS K03104 OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: PER ASTM A574 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL THREAD SERIES DESIGNATOR: UNRC