Meccion Diamond Hole Saws

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Features:
--This diamond hole saws for drilling a clean and precise hole from glass, tiles, marble, granite, ceramic or other materials

Note:
If you smell burning, back off! Either your speed is too high or the pressure you're applying is too much. You're drill bit should never be hot to the touch, not even warm.

Please:
Always use water for lubrication., otherwise the diamond core drill will burn.
Can be used with a standard electric drill.
make a half round mark and then hold drill straight.
Reduced drill speeds, low drill pressure and increased use of water lubrication will extend drill bit life considerably.
Use Coolant.
Minimum pressure.

The general rule is the smaller the diameter of your drill bit, the faster drill speed you can use. The harder your material, the slower drill speed you should use.

The shank diameters of the Diamond Drill Bits are:
The shank diameter of 6mm diamond drill bit is 6mm.
The shank diameters of 8mm to 25mm diamond drill bits are 8mm.
The shank diameters of other diamond drill bits are 10mm.

Meccion Diamond Drill Bit Brazed Core Hole Saws 80mm 3-1/8" Performance Hollow Hole Cutter for Glass/Tile/Granite/Marble/Porcelain (80mm)

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