Home Horizontal Directional Drilling, Century Products, Hole Openers, Rock Reamers, swivels, tricone bits, cutters, drilling fluids, thread grease, brekout tongs, hdd tooling, rig up packages, dull bit analysis, swivel repair analysis, shaft & hole opener re-threading, weld integrity analysis, welding services As a leading player in the Horizontal Directional Drilling Industry, Century Products, Inc. has built into its core fiber an innovative mindset couple with solid engineering to provide Hole Openers and Rock Reamers that exceed field expectations. Our original solid body Hole Opener is custom built to aggressively attack the toughest HDD Boring conditions HDD Drillers may encounter.