ROCK DRILLING TOOL Specially Designed Outer Housing
This patented RS8 rock drilling tool, 57.5 in. in length, is designed for use with the manufacturer's Navigator 50x100A, D55x100, D80x100 and D80x120 horizontal directional drills. It is a steerable rock drilling head that uses an 8.75-in.-dia Tri Cone Bit that can tackle medium to hard rock formations up to and over 15,000 psi. Steering is achieved with a specially designed outer housing that allows operation of the tool with any standard drill. Vermeer manufacturing Co.; 888/837-6337; www.vermeer.com