H&H Drill for Mikage Stone And

There is little slip in the chuck part due to knurled shaft processing.
By integrating the bit and the drill body, speedy drilling is possible.
There is little vibration transmitted to the arm and drilling work can be done easily.
It has a drilling capacity of about 30% or more compared to conventional stone drill bits.
Ideal for drilling dowels in building stones, such as hard roof tiles and hard concrete.