M16-2.0 x 80mm DIN 931 Class 10.9 Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 38.0 MILLIMETERS NOMINAL FASTENER LENGTH: 79.4 MILLIMETERS MINIMUM AND 80.0 MILLIMETERS MAXIMUM HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 9.8 MILLIMETERS MINIMUM AND 10.2 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 23.7 MILLIMETERS MINIMUM AND 24.0 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 2355-01-567-4930 TRUCK, BOMB SERVICE NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS MINIMUM TENSILE STRENGTH: 1040 MEGAPASCALS THREAD PITCH IN MILLIMETERS: 2.0 EXTERNAL THREAD TOLERANCE CLASS: 6G PART NAME ASSIGNED BY CONTROLLING AGENCY: CAP SCREW MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941M, FE/ZN 3A ASSN STD SINGLE TREATMENT RESPONSE OVERALL THREAD SERIES DESIGNATOR: M