M5-0.80, Hex Head Cap Screw, 20 mm Fastener Length, A4 Stainless Steel, PK 50/ THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 20.0 MILLIMETERS NOMINAL FASTENER LENGTH: 20.0 MILLIMETERS NOMINAL HEAD STYLE: C4 CROWNED HEXAGON HEAD HEIGHT: 3.5 MILLIMETERS NOMINAL WIDTH BETWEEN FLATS: 8.0 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: ARMORED RECONNAISSANCE-AIRBORNE ASSA NOMINAL THREAD DIAMETER: 5.0 MILLIMETERS MINIMUM TENSILE STRENGTH: 101500 POUNDS PER SQUARE INCH THREAD PITCH IN MILLIMETERS: 0.8 EXTERNAL THREAD TOLERANCE CLASS: 6G PART NAME ASSIGNED BY CONTROLLING AGENCY: METRIC A4 STAINLESS STEEL HEX HEAD CAP SCREW MATERIAL: STEEL COMP 316 OVERALL THREAD SERIES DESIGNATOR: M