3/8"-16 x 1" ASTM F593 316 Stainless Steel Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.000 INCHES NOMINAL FASTENER LENGTH: 1.000 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.230 INCHES NOMINAL WIDTH BETWEEN FLATS: 0.563 INCHES NOMINAL END ITEM IDENTIFICATION: SQH-4B TOWFIS NOMINAL THREAD DIAMETER: 0.375 INCHES THREAD QUANTITY PER INCH: 16 MATERIAL: STEEL OVERALL THREAD SERIES DESIGNATOR: UNC