Case-Astec, Toro Clip

These high quality tools are for dry-boring in clay and other compressible soils. they are self -feeding and produce clean, compacted borings. All Roto-Bore Bits are machined from solid chrome-moly steel bar stock on state-of-the-art CNC lathes and machining centers. All bits are quenched and tempered to an average tensile strength of 153,000 psi for optimum strength and toughness. The bits’s screw thread is much heavier the most competitors designs. This heavy-duty design assures contractors a long service life and lower operating costs.