M16-2.0 x 50mm Plain Finish DIN 6921 Class 10.9 Hex Flange Bolt / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 38.0 MILLIMETERS NOMINAL FASTENER LENGTH: 50.0 MILLIMETERS NOMINAL HEAD STYLE: C117 CHAMFER FLANGE HEAD HEIGHT: 14.4 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 20.67 MILLIMETERS MINIMUM AND 21.00 MILLIMETERS MAXIMUM EXTENDED WASHER DIAMETER: 35.0 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: MRAP M-ATV UI NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 2.0 SPECIAL FEATURES: FINISH: MAGNI 575 MATERIAL: STEEL PROPERTY CLASS 10.9 OVERALL THREAD SERIES DESIGNATOR: M