M16-2.0 x 180mm DIN 931 Class 10.9 Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 44.0 MILLIMETERS NOMINAL FASTENER LENGTH: 180.0 MILLIMETERS NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 10.0 MILLIMETERS NOMINAL WIDTH BETWEEN FLATS: 24.0 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: 2355-01-567-4930 NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 2.0 EXTERNAL THREAD TOLERANCE CLASS: 6G MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M