1"-8 x 10" Grade 8 Plain Finish Hex Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 2.500 INCHES MINIMUM FASTENER LENGTH: 10.000 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.591 INCHES MINIMUM AND 0.627 INCHES MAXIMUM WIDTH BETWEEN FLATS: 1.469 INCHES MINIMUM AND 1.500 INCHES MAXIMUM NOMINAL THREAD DIAMETER: 1.000 INCHES THREAD QUANTITY PER INCH: 8 MATERIAL: STEEL OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 8 ASSN STD SINGLE MATERIAL RESPONSE OVERALL THREAD SERIES DESIGNATOR: UNC