Starrett KD0400-N 4-Inch Diamond Grit Holesaw
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<b>[Product Information]</b><br>
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<li>Effective cutting of hardened steels, fired ceramics, aggregate containing concrete, non-metallics and other difficult to cut materials</li>
<li>Clean effective cuts and extended life</li>
<li>Uniform synthetic diamond grit bonded over a durable steel platform</li>
<li>Always use a coolant and start at a low speed, increase speed as ease of cutting is noticed while avoiding heat build-up on the cutting surface</li>
<li>Recommended cutting speed is from 150 to 300-RPM</li>
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