M10-1.5 x 45mm Zinc Finish DIN 6921 Class 8.8 Hex Flange Bolt / THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 45.0 MILLIMETERS NOMINAL FASTENER LENGTH: 45.0 MILLIMETERS NOMINAL WIDTH BETWEEN FLATS: 13.3 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: MRAP - UNIQUE NSN - USED ON 4 MRAP VARIANTS; MRAP - MAXXPRO DASH ISS W/OGPK AND W/CROWS NOMINAL THREAD DIAMETER: 10.0 MILLIMETERS MINIMUM TENSILE STRENGTH: 145000 POUNDS PER SQUARE INCH HARDNESS RATING: 32.0 ROCKWELL C MINIMUM OVERALL AND 39.0 ROCKWELL C MAXIMUM PART NAME ASSIGNED BY CONTROLLING AGENCY: BOLT, M10 X 25 HEX FLANGE SPECIAL FEATURES: M 10X 1.5-6G LENGTH 45MM; GRADE: 8.8; BOLT, HEX FLANGE MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL THREAD SERIES DESIGNATOR: M