XUKIL High Quality Round Handle Sharp Durable Power Drill Bits
$9.30
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High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance.
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Round shanks allow use with a wide variety of toolholding systems.
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Gold oxide is a thinner oxide surface treatment than black oxide typically used to identify cobalt steel tools;performance is similar to uncoated tools.
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When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging.
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Ideal for drilling in tough, high tensile strength materials.