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Jobber Length Drill Bit, Drill Bit Size 1/4", Drill Bit Point Angle 135°, High Speed Steel

  • Item # 22N416
  • My Part #
  • Mfr. Model # C18012
  • Catalog Page # 2241
  • UNSPSC # 27112801
Jobber Length Drill Bit,  Drill Bit Size 1/4",  Drill Bit Point Angle 135°,  High Speed Steel close
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Primary Category:
~Machining~Drilling and Holemaking~Jobber Length Drill Bits

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  • Shipping Weight 0.01 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

The black-and-gold finish on these drill bits lubricates the bits and provides some resistance to wear and rust. These bits have spiral flutes that evacuate chips as the bits drill into a workpiece. They also have flats on their shank that help prevent the bits from slipping in a drill chuck when drilling at high speeds or under heavy loads.

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.

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Technical Specs

  • Item Jobber Length Drill Bit
  • Drill Bit Size 1/4"
  • Decimal Equivalent 0.25
  • Measurement System Fractional Inch
  • Material - Machining High Speed Steel
  • Finish - Machining Black & Gold
  • Drill Bit Point Angle 135 Degrees
  • Drill Bit Point Type Split Point
  • Coolant Fed Non-Coolant Through
  • Flute Type Spiral
  • Number of Flutes 2
  • Flute Length 2-3/4"
  • Maximum Drilling Depth 1"
  • Helix Angle 28 Degrees
  • Cutting Direction Right Hand
  • Spiral Direction Right Hand
  • Shank Type - Machining Straight
  • Shank Dia. 1/4"
  • Shank Length 1-1/4"
  • Overall Length 4"
  • Depth:Dia. Ratio 4xD
  • Drill Length Class Jobber Length
  • Drill Point Length 0.0518"
  • Drill Bit Grouping Individual
  • Series 1878
  • Standards ASME B94.11M
  • Drill Diameter Tolerance +0"/-0.0007"
  • Primary Material Application Cast Iron, Steel
  • Primary Material Application ISO Code K, P
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