core drill bits(M14,5/8-11,M10,Triangular shank)
diameter 6mm~200mm
How to use：
6mm,8mm,10mm,12mm （including cool wax）
1.Fix position
Tilt the core bit and form a 45 degree angle between the core bit and marble tile. pushing against the marble tile gently. Wait until the core bit drills 3mm into the marble tile , then swing the angle grinder left and right slowly.
2.Swing left and right
Keep swinging left and right slowly ,but forming a 60 degree angle between core bit and marble tile.
3.Remove the stones out from the core bit
After drilling a hole, remove the stones out from the core bit , The functioning head of the core bit faces downwards, touching an abandoned hard objects. The stones in the core bit will drop down by shaking.
20mm and Larger
1.Fix positionTilt the
core bit and form a 45 degree angle between the
core bit and marble tile. putting against the marble tile
gently. Wait until the
core bit drills 3mm into the marble tile , then spin the
core bit slowly.
2.Remove the stones out from the core bit 3.After drilling a hole, remove the stones out from the core bit by some tool.4.IF the temperature of core bit rises too high, lower the temperature of hole saw by water.
