1/4"-20 x 3/4" Phillips Drive Pan Head Grade 18-8 Stainless Steel Machine Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.750 INCHES NOMINAL FASTENER LENGTH: 0.750 INCHES NOMINAL HEAD STYLE: A23 PAN HEAD DIAMETER: 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM HEAD HEIGHT: 0.162 INCHES MINIMUM AND 0.175 INCHES MAXIMUM INTERNAL DRIVE STYLE: B1 CROSS RECESS TYPE 1 END ITEM IDENTIFICATION: 4220-01-617-9406 NOMINAL THREAD DIAMETER: 0.250 INCHES THREAD QUANTITY PER INCH: 20 PART NAME ASSIGNED BY CONTROLLING AGENCY: MACHINE SCREW PAN HEAD SCREW MATERIAL: STEEL COMP 302 THREAD SERIES DESIGNATOR: UNC