#10-32 x 5/16" ASTM F879 Hex Drive 18-8 Stainless Steel Button Socket Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.3125 INCHES NOMINAL FASTENER LENGTH: 0.3125 INCHES NOMINAL HEAD STYLE: C30 BUTTON HEAD DIAMETER: 0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM HEAD HEIGHT: 0.091 INCHES MINIMUM AND 0.101 INCHES MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON NOMINAL THREAD DIAMETER: 0.190 INCHES WIDTH ACROSS FLATS: 0.125 INCHES MINIMUM AND 0.127 INCHES MAXIMUM THREAD QUANTITY PER INCH: 32 SPECIAL FEATURES: NO OEM AVAILABLE PER CAGE POC MATERIAL: STEEL PROPERTY CLASS 18.8 OVERALL THREAD SERIES DESIGNATOR: UNF