M16-2.0 x 50mm DIN 933 Class 10.9 EcoGuard® Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 49.50 MILLIMETERS MINIMUM AND 50.50 MILLIMETERS MAXIMUM FASTENER LENGTH: 49.50 MILLIMETERS MINIMUM AND 50.50 MILLIMETERS MAXIMUM HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 9.82 MILLIMETERS MINIMUM AND 10.18 MILLIMETERS MAXIMUM WIDTH BETWEEN FLATS: 23.67 MILLIMETERS MINIMUM AND 24.00 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: 01-607-9674 NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 2.0 MATERIAL: STEEL PROPERTY CLASS 10.9 OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: ISO 898-1, CLASS 10.9 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL THREAD SERIES DESIGNATOR: M