Tapered drill rod | Rock drilling tools | Tapered drill
For low impact rock drills and softer rock formations, a narrow tape range of 7 degrees is used, such as Indian, Saudis granite and marble quarry. A comprehensive range of taper button bits, cross bits and chisel bits with 6, 7, 11, 12 degree taper, drill hole diameter: 28mm57mm. Tapered rod insert to tapered drill