Drill America DWDST Series High-Speed Steel Screw Machine Length Drill Bit, Black Oxide Finish, Round Shank, Spiral Flute, 135 Degrees Split Point, #1 Size (Pack of 12)
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<b>[Product Information]</b><br>
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<li>High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance</li>
<li>Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge</li>
<li>Round shanks allow use with a wide variety of toolholding 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>Ideal for portable or machine drilling</li>
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