FCB050013200 -BULK CUTTING EDGE 1/2-13 X 2 INCH GRADE 5 CARRIAGE BOLTSBulk Aftermarket Replacement Cutting Edge Carriage Bolts 1 2 13 x 2 Inch Grade 5 for Snow Plows These Grade 5 carriage bolts are used to mount cutting edges to snow plow blades. Sold in bulk, they are the standard 1 2 13 UNC x 2 inch size used across a wide range of snow plow brands and models. The square neck under the domed head locks into the cutting edge mounting holes to prevent rotation during installation and tightening. Specifications