Type: Coal bit
Applicable rock stratum: half common type: soft to medium hard rock stratum with F ≤ 8, semi strengthened type, relatively complete hard rock with F ≤ 12, semi super strong rock with F ≤ 12, broken hard rock with F ≤ 12 and fractured hard rock with F ≤ 12
Specification parameter: Ф 28 - Ф 42mm
Product details: by using the super wear resistance of diamond composite, the cutting edge can be kept sharp for a long time, and the drilling efficiency of medium hard rock is greatly improved. The impact resistance is strong. It does not need repeated grinding, and is not easy to reduce the diameter. The hole forming rate is high, which greatly reduces the waste of cartridge and anchor rod, and improves the construction efficiency.