#4-40 x 1-1/8" ASTM F879 Hex Drive 18-8 Stainless Steel Button Socket Cap Screw / THREAD CLASS: 3A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 1.08 INCHES MINIMUM AND 1.12 INCHES MAXIMUM FASTENER LENGTH: 1.08 INCHES MINIMUM AND 1.12 INCHES MAXIMUM HEAD STYLE: C30 BUTTON HEAD DIAMETER: 0.201 INCHES MINIMUM AND 0.213 INCHES MAXIMUM HEAD HEIGHT: 0.051 INCHES MINIMUM AND 0.059 INCHES MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: 5895-01-564-7999 NOMINAL THREAD DIAMETER: 0.112 INCHES WIDTH ACROSS FLATS: 0.0625 INCHES MINIMUM AND 0.0635 INCHES MAXIMUM THREAD QUANTITY PER INCH: 40 PART NAME ASSIGNED BY CONTROLLING AGENCY: NUMBER 4-40X1.12, SOCKET BUTTON HEAD CAP SCREW, STAINLESS STEEL MATERIAL: STEEL CORROSION RESISTING OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: ASTM F879 ASSN STD SINGLE MATERIAL RESPONSE OVERALL SURFACE TREATMENT: PASSIVATE OVERALL SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL THREAD SERIES DESIGNATOR: UNC