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Greenfield Industries - C20764 - Reduced Shank Drill Bit, 1 7/16 in, 118 °, High Speed Steel, Black Oxide

  • MFR SKU: C20764
  • ITEM #: 4840360
  • 0 Reviews / 0 Questions
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ITEM #: 4840360
High-speed steel drill bits provide more flexibility and absorb more shock and vibration than cobalt drill bits. Also known as Silver and Deming drill bits, these reduced-shank drill bits have a 1/2" shank and a drill diameter that is greater than 1/2". They can create larger holes than standard drill bits that have a 1/2" shank.
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Greenfield Industries - C20764 - Reduced Shank Drill Bit, 1 7/16 in, 118 °, High Speed Steel, Black Oxide

  • Item #: 4840360
  • MFR SKU: C20764
  • Technical Specification
  • Item Reduced Shank Drill Bit
  • Material - Machining High Speed Steel
  • Finish - Machining Black Oxide
  • Measurement System Fractional Inch
  • Drill Bit Size 1 7/16 in
  • Decimal Equivalent 1.4375
  • Drill Bit Point Angle 118 Degrees
  • Drill Bit Point Type Conventional Point
  • Flute Type Spiral
  • Number of Flutes 2
  • Flute Length 3 1/8 in
  • Maximum Drilling Depth 2 1/2 in
  • Cutting Direction Right Hand
  • Spiral Direction Right Hand
  • Helix Angle 28 Degrees
  • Overall Length 6 in
  • Depth:Dia. Ratio 4xD
  • Drill Bit Grouping Individual
  • Shank Type - Machining Straight
  • Shank Dia. 1/2 in
  • Shank Length 2 1/4 in
  • Silver & Deming Drill Yes
  • Series 1813
  • Standards Not Rated
  • Coolant Fed Non-Coolant Through
  • Drill Diameter Tolerance +0.0000 in /-0.0015 in
  • Material Grade - Machining General Purpose
  • Primary Material Application Cast Iron, Steel
  • Primary Material Application ISO Code K, P

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