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Cobalt Screw-Machine Length Drill Bits
Available1 product
Cobalt screw-machine length drill bits tolerate higher drilling speeds and are harder and more wear-resistant than high-speed steel screw-machine length drill bits. They provide some shock absorption and can be used in handheld power tools. Screw-machine length drill bits are shorter than jobber length and maintenance length drill bits of the same size. Also called stub length drill bits, they provide more strength and rigidity and can drill straighter holes than longer drill bits. Their short length also allows them to access tight spaces where longer drill bits cannot fit.
Overall Length
TiN-Coated Spiral-Flute Cobalt Screw-Machine Length Drill Bits
The TiN coating on these drill bits protects them from wear and heat when drilling steel, stainless steel, and aluminum. The bits' spiral flutes evacuate chips as the bits drill into a workpiece.
Decimal Inch + 118 ° Drill Bit Point Angle + Split Point
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Fractional Inch + 130 ° Drill Bit Point Angle + Notched Point
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Fractional Inch + 135 ° Drill Bit Point Angle + Split Point
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Letter + 130 ° Drill Bit Point Angle + Notched Point
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Wire + 130 ° Drill Bit Point Angle + Notched Point
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