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Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits
Available5 products
Non-coolant-through high-speed steel jobber-length drill bits do not have coolant holes, so a separate hose is required to bring coolant to the bits' tip if it is needed. High-speed steel drill bits provide more flexibility and absorb more shock and vibration than cobalt, powdered-metal, and carbide drill bits, making them suitable for use in manual drilling machines and handheld power tools. They may leave a rough finish on the hole. Jobber-length drill bits are the most commonly used drill-bit length. They provide a good balance of strength and accuracy when drilling into a range of materials.
Decimal Equivalent
Fractional-Inch Black-Oxide Finish Spiral-Flute Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits with Straight Shank
These drill bits come in standard sizes expressed in fractional inches. They have a black-oxide finish that retains lubricants to improve the bits' wear resistance and chip flow. Black-oxide bits should only be used for drilling ferrous metals. The bits' spiral flutes evacuate chips as the bits drill into a workpiece. These bits have a straight shank that installs into a drill chuck or similar toolholder.
Fractional Inch + 118 ° Drill Bit Point Angle + Conventional Point
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Fractional Inch + 118 ° Drill Bit Point Angle + Notched Point
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Fractional Inch + 118 ° Drill Bit Point Angle + Split Point
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Fractional Inch + 130 ° Drill Bit Point Angle + Split Point
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Fractional Inch + 135 ° Drill Bit Point Angle + Conventional Point
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Fractional Inch + 135 ° Drill Bit Point Angle + Split Point
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Metric + 135 ° Drill Bit Point Angle + Split Point
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Fractional-Inch TiN-Coated Spiral-Flute Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits with Straight Shank
These drill bits come in standard sizes expressed in fractional inches. They have a TiN coating that protects them from wear and heat when drilling steel, stainless steel, and aluminum. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece, and they have a straight shank that installs into a drill chuck or similar toolholder.
Fractional-Inch Bright Finish Spiral-Flute Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits with Straight Shank
These drill bits come in standard sizes expressed in fractional inches. They have a bright finish that is not affected when the bits' cutting edges are resharpened, and they have spiral flutes that evacuate chips as the bits drill into a workpiece. These bits have a straight shank that installs into a drill chuck or similar toolholder.
Bright Finish Parabolic-Flute Non-Coolant-Through High-Speed Steel Jobber-Length Drill Bits with Straight Shank
The bright finish on these drill bits is not affected when the bits' cutting edges are resharpened. 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 drills move deeper into the workpiece. These bits have a straight shank that installs into a drill chuck or similar toolholder.