BQLZR 4mm Diamond Coated Hole Saw Core Drill Bits Glass Tile Marble Granite Pack Of 10
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<b>[Product Information]</b><br>
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<li>It can cut tidy, smooth, no broken edges and no tremor phenomenon</li>
<li>Small incision resistance, improved the openning speed</li>
<li>Note: Please pay attention to add water to cool when processing , overheating will increase the loss of diamond powder</li>
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