#6-32 x 3/8" ASTM F879 Hex Drive 18-8 Stainless Steel Button Socket Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.375 INCHES NOMINAL FASTENER LENGTH: 0.375 INCHES NOMINAL HEAD STYLE: C30 BUTTON INTERNAL DRIVE STYLE: D5 HEXAGON NOMINAL THREAD DIAMETER: 0.138 INCHES WIDTH ACROSS FLATS: 0.0781 INCHES NOMINAL THREAD QUANTITY PER INCH: 32 MATERIAL: STEEL CORROSION RESISTING OVERALL THREAD SERIES DESIGNATOR: UNC