No. 3 head. Coarse thread. Hardened steel. Grade 5. We are dedicated to give everyone the very best houseware products for all home needs, with a focus on dependability, our client satisfaction and great quality. We provide highquality modern products to be enjoyed by many clients. Features. Plow Bolt, 0.43 x 2 in.. 50 CountSpecifications. Dimension 0.31 x 0.31 x 0.31 in.. Cube 0.03. Finish Hardened Steel. Size 7/16 x 2 in.. Weight 4.42 lbs