Core Drill Bits
Specifications
core drill bitThread size: M14 G1/2" 5/8"-11
Dia:from 1/4" to 20"
diamond tool to drill round hole in the stone
core Drill bit is a kind of diamond tool to drill round hole in the stone. In the large-scale
factory, drill bit is jointed with special machine tool through screw thread
and cuts stone revolving under the pressure. In the operation, water is infused
into the water channel and outflow from the gap of bit's outer circle for cooling
and discharging stone powder. The high capability of water-though can prolong
bit's life-span and keep the sharpness of bit.
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