Ohio Power Tool carries core bits and other accessories from quality manufacturers like Milwaukee Tools and Diamond Products.  We offer diamond core bits for both wet and dry drilling.  Each diamond core bit has a different diamond concentration, so whether you need to drill through concrete bricks and blocks, or the heaviest steels, we provide you with the proper equipment necessary.  If you have any questions or want to purchase a product not listed on our website, give us a call at 1-800-242-4424.