Diamond Products 04745 4-Inch Heavy Duty Orange Dry Hole Saw Bits
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<b>[Product Information]</b><br>
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<li>Block and soft brick</li>
<li>9-Inches of drilling depth</li>
<li>5/8-Inch to 11 hub</li>
<li>Jacobs chuck adapter available for hand held rotary drills 5/8-Inch to 11 thread to straight shank</li>
<li>Not for use on concrete</li>
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