uxcell 42mm Diamond Grit Hole Saw Drill Bit for Tile Glass
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<b>[Product Information]</b><br>
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<li>Designed for drilling 42mm diameter holes</li>
<li>Nickel-plated hole saw drill bit with a diamond dust coating offers superior performance and cutting strength</li>
<li>Excellent for making clean and accurate hole on glass, tile, marble and other fragile materials</li>
<li>Cut clean and round holes to a depth of approximately 30mm</li>
<li>Always use lubrication (water), otherwise the diamond coated drill bit will burn</li>
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