M8-1.25 x 22mm ISO 4762 Hex Drive Class 12.9 Black Oxide Finish Alloy Steel Socket Cap Screw / THREAD CLASS: 5G6G THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 21.58 MILLIMETERS MINIMUM AND 22.42 MILLIMETERS MAXIMUM FASTENER LENGTH: 21.58 MILLIMETERS MINIMUM AND 22.42 MILLIMETERS MAXIMUM HEAD STYLE: C48 FLAT FILLISTER HEAD DIAMETER: 12.73 MILLIMETERS MINIMUM AND 13.27 MILLIMETERS MAXIMUM HEAD HEIGHT: 7.64 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM INTERNAL DRIVE STYLE: D5 HEXAGON END ITEM IDENTIFICATION: 3930-01-599-9978 NOMINAL THREAD DIAMETER: 8.0 MILLIMETERS WIDTH ACROSS FLATS: 6.020 MILLIMETERS MINIMUM AND 6.140 MILLIMETERS MAXIMUM THREAD PITCH IN MILLIMETERS: 1.25 PART NAME ASSIGNED BY CONTROLLING AGENCY: M8-1.25X22MM CL 12.9 DIN 912 BLACK OXIDE SOCKET HEAD CAP SCREW COLOR: BLACK OVERALL MATERIAL: STEEL PROPERTY CLASS 12.9 OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: ISO 898 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL SURFACE TREATMENT: OXIDE OVERALL SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: THERMAL OR CHEMICAL BLACK OXIDE MFR REF SINGLE TREATMENT RESPONSE OVERALL THREAD SERIES DESIGNATOR: M SPECIFICATION/STANDARD DATA: D8286-DIN912 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD