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Caterpillar style D8 bulldozer cutting edge is a double-beveled, reversible bucket edge measuring inches (35 mm) thick, 13 inches (330 mm) wide, and 31.5 inches (800 mm) long, requiring 5 plow bolts sized 1 inch x 3 inches (25.4 mm x 76.2 mm) and 5 matching hex nuts; the bolt hole spacing is 6 inches (152.4 mm) from center to center, with the first hole positioned inches (73 mm) from the edge.