Dremel 663DR 1/4-Inch Glass Drilling Bit
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<b>[Product Information]</b><br>
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<li>Drill holes in both flat and contoured glass</li>
<li>Diamond-impregnated cutting bit for long life</li>
<li>Diamond grit around the circumference of the bit allows it to rasp a larger hole if needed</li>
<li>Holes on the side of the bit allow the removal of material</li>
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