Socket Set Screw, Cup, 3/8 in Overall Length, 3/8-24, Alloy Steel, Black Oxide, PK 100/ THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 0.375 INCHES NOMINAL HEAD STYLE: C101 HEADLESS (SETSCREW) POINT DIAMETER: 0.194 INCHES MINIMUM AND 0.212 INCHES MAXIMUM POINT STYLE: F19 FLAT INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: TOOLS NOMINAL THREAD DIAMETER: 0.375 INCHES WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL THREAD QUANTITY PER INCH: 24 MATERIAL: STEEL OVERALL THREAD SERIES DESIGNATOR: UNF