M16-2.0 x 170mm DIN 931 Class 10.9 Zinc Finish Hex Cap Screw / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 44.0 MILLIMETERS NOMINAL FASTENER LENGTH: 170.0 MILLIMETERS NOMINAL 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: MRAP-BUFFALO A1; MRAP BUFFALO MK2A2 NOMINAL THREAD DIAMETER: 16.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 2.0 SPECIAL FEATURES: GRADE 10.9; COARSE THREAD MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: MJ