Drill Bit

R25

R32

R38

R51

R76

Diameter(mm)

42,51

51,76

76,90,115,130

76,90,100,115,130

130,150

Steel cross bit(EX)

Steel cross bit for loose to medium dense conditions with small boulders.

TC cross bit(EXX)

TC cross bit for soft to medium rock formations.

Steel button bit (ESF)

Steel button bit for unconsolidated rock with boulders.

TC button bit(ESSF)

TC button bit for medium  rock with boulders.

Steel arched bit(EC)

Steel arched bit for unconsolidated soil with small boulders.

TC arched bit(ECC)

TC arched bit for soft to medium rock formations.

Steel 3 cutter bit(EY)

Steel 3 cutter bit for loose to medium dense ground conditions.

TC 3 cutter bit(EYY)

TC 3cutter bit for soft to medium dense ground conditions.

Cast clay bit(EW)

Cast clay bit for very soft to soft clay.

Cast cross bit(X)

Cross bit for sand and gravel.

According to different condition, choose steel ,alloy… custom design is available.