Caterpillar-style bolt-on end bit for a D8 Caterpillar Bulldozer is a hot-cupped left-hand end bit that is 1.625 inches (41.28 mm) thick, 13 inches (330.2 mm) wide, and 22 inches (558.8 mm) in length. It requires seven 1 x 3 1/2 inch (25.4 x 88.9 mm) plow bolts and seven 1-inch (25.4 mm) hex nuts. The bolt hole spacing is 4 inches (101.6 mm) from center to center, and 2.875 inches (73.03 mm) from the edge of the bucket cutting edge to the center of the first hole. The second row of bolt hole spacing is 3 inches (76.2 mm) from center to center of the bolt holes. 3G8288