1/4"-20 x 2-3/4" ASTM F879 Hex Drive Grade 18-8 Stainless Steel Flat Socket Cap Screw Full Thread / THREAD DIRECTION: RIGHT-HAND FASTENER LENGTH: 2.750 INCHES NOMINAL HEAD STYLE: C50 FLAT COUNTERSUNK INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: F-51 SA NOMINAL THREAD DIAMETER: 0.250 INCHES THREAD QUANTITY PER INCH: 20 MATERIAL: STEEL COMP 304 OVERALL THREAD SERIES DESIGNATOR: UNC