M8-1.25 x 30mm DIN 6921S Plain Finish Class 90 Steel Hex Serrated Flange Bolt / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 28.0 MILLIMETERS NOMINAL FASTENER LENGTH: 30.0 MILLIMETERS NOMINAL HEAD STYLE: C7 HEXAGON EXTENDED WASHER HEAD DIAMETER: 15.8 MILLIMETERS MINIMUM HEAD HEIGHT: 8.1 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 2320-01-517-4333 PART NAME ASSIGNED BY CONTROLLING AGENCY: BOLT,CRANKCASE M8X30-10.9 HF MATERIAL: STEEL COMP 348 OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: INTERNATIONAL ORGANIZATION FOR STANDARDIZATION: ISO 68, 261, 262, 888, 898/1. 965/1 AND 965/2 AMERICAN NATIONAL STANDARD: ANSI B-18.2.3.9M - 2001 (HEAVY HEX DIMENSIONS) NATIONAL STD/SPEC ALL MATERIAL RESPONSES OVERALL PROPRIETARY CHARACTERISTICS: NPAC SURFACE TREATMENT: PHOSPHATE OVERALL THREAD SERIES DESIGNATOR: M