... shape.II. Rock Drill Bits Classifications And Applications: 1. Single-chisel type rock drill bits : For light drill machine cut high ... rock drills, under the condition of flake set piece than chisel bit strong applicability hammer, speed and life and high, cut ... application l Suitable for medium rock VI. Technique Parameters: (Taper chisel, cross, button bit)High-pressure drill bit:V. Certifications:VI ...