M20-2.5 DIN 934 ECOGUARD® Class 10 Hex Nut / THREAD CLASS: 6H THREAD DIRECTION: RIGHT-HAND NUT STYLE: A12 HEXAGON NUT HEIGHT: 16.90 MILLIMETERS MINIMUM AND 18.00 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 3810-01-607-9674 WIDTH ACROSS FLATS: 29.16 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM THREAD SERIES: M NOMINAL THREAD SIZE: 20.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 2.5 BEARING SURFACE TYPE: CHAMFERED OR FLAT OR WASHER FACED PART NAME ASSIGNED BY CONTROLLING AGENCY: METRIC FINISHED HEX NUT SPECIAL FEATURES: COLOR GRAY/SILVER MATERIAL: STEEL PROPERTY CLASS 10.9 OVERALL