Use these heavy duty grade 5 bolts and nuts on cultivators or other large agricultural machinery. This set comes with 6 plow bolts and 6 nuts. Designed with strength to support your farming applications. Constructed from steel, these grade 5 plow bolts and nuts can tighten well to support heavy pieces of equipment. This standard set contains a total of 12 pieces, or 6 pairs. The bolts are #3 heads, and measure 7/16 inches in diameter x 1-1/2 inches long. When your machine is in need of sturdy hardware be sure to use this pack of steel nuts and bolts. Specifications Plow Nuts and Bolts #3 bolt heads Grade 5 bolts Bolt dimensions: 7/16 in. x 1-1/2 in. Quantity: 6 nuts and 6 bolts