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High-Speed Steel Screw-Machine Length Drill Bits
Available4 products
High-speed steel screw-machine length drill bits provide more flexibility and absorb more shock and vibration than cobalt, powdered-metal, and carbide screw-machine length drill bits, making them suitable for use in manual drilling machines and handheld power tools. They may leave a rough finish on the hole. 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.
Decimal Equivalent
Bright Finish Parabolic-Flute High-Speed Steel Screw-Machine Length Drill Bits
Parabolic-flute drill bits have wide, deep flutes that improve chip flow and heat dissipation, which means feed rates do not need to be reduced as the drill moves deeper into the workpiece. The bright finish on these drill bits is not affected when the bits' cutting edges are resharpened.
Fractional Inch + 130 ° Drill Bit Point Angle + Conventional Point
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Letter + 130 ° Drill Bit Point Angle + Conical Point
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Metric + 130 ° Drill Bit Point Angle + Conical Point
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Metric + 130 ° Drill Bit Point Angle + Conventional Point
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Wire + 130 ° Drill Bit Point Angle + Conical Point
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Wire + 130 ° Drill Bit Point Angle + Conventional Point
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AlCrN-Coated Parabolic-Flute High-Speed Steel Screw-Machine Length Drill Bits
The AlCrN coating on these drill bits protects them from wear during dry, high-speed machining applications. It is harder, resists cracking and oxidization better, and performs better in high-feed applications than a TiAlN coating. It also resists high heat better than an AlTiN coating. Parabolic-flute drill bits have wide, deep flutes that improve chip flow and heat dissipation, which means feed rates do not need to be reduced as the drill moves deeper into the workpiece.
Fractional Inch + 130 ° Drill Bit Point Angle + Conventional Point
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Letter + 130 ° Drill Bit Point Angle + Conventional Point
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Metric + 130 ° Drill Bit Point Angle + Conical Point
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Metric + 130 ° Drill Bit Point Angle + Conventional Point
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Wire + 130 ° Drill Bit Point Angle + Conical Point
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Wire + 130 ° Drill Bit Point Angle + Conventional Point
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TiN-Coated Fast-Spiral-Flute High-Speed Steel Screw-Machine Length Drill Bits
These bits have a TiN coating that protects them from wear and heat when drilling steel, stainless steel, and aluminum. Fast-spiral drill bits evacuate chips more quickly than standard spiral-flute drill bits as the bits drill into a workpiece.
Fractional Inch + 120 ° Drill Bit Point Angle + 4 Facet Point
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Metric + 120 ° Drill Bit Point Angle + 4 Facet Point
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Metric + 130 ° Drill Bit Point Angle + 4 Facet Point
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Metric + 140 ° Drill Bit Point Angle + 4 Facet Point
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Metric + 150 ° Drill Bit Point Angle + 4 Facet Point
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Wire + 150 ° Drill Bit Point Angle + 4 Facet Point
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TiNAl-Coated Spiral-Flute High-Speed Steel Screw-Machine Length Drill Bits
The TiNAl coating on these drill bits provides a low-friction surface and is suitable for drilling most materials. Spiral-flute drill bits evacuate chips as the bits drill into a workpiece.
Metric + 118 ° Drill Bit Point Angle + 6 Facet Point
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Metric + 118 ° Drill Bit Point Angle + Conventional Point
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