Drillco 1600N Series Carbide-Tipped Nitro Masonry Drill Bit, Gold/Silver Finish, Round Shank, Spiral Flute, 1/4" Size
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<b>[Product Information]</b><br>
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<li>Carbide-tipped tools feature cutting edges of Carbide for wear resistance and a steel shank for toughness</li>
<li>Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify Cobalt steel tools; performance is similar to uncoated tools</li>
<li>Round shanks allow use with a wide variety of tool holding systems</li>
<li>When run in a counterclockwise direction (right-hand cut) spiral Fluted tools evacuate chips up and out of the cut to reduce clogging</li>
<li>The Nitro masonry drill is used to drill granite, marble, concrete, super concrete, polyester glass, reinforced products and hard steels of all types</li>
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