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  • Taper-Length Drill Bits
  • CHICAGO-LATROBE 

    Taper Length Drill Bit, Drill Bit Size 31/64", Drill Bit Point Angle 135°, Notched Point

  • Item # 439C57
  • Mfr. Model # 68831
Taper Length Drill Bit,  Drill Bit Size 31/64",  Drill Bit Point Angle 135°,  Notched Point
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Technical Specifications

Item # 439C57
Mfr. Model # 68831
UNSPSC #27112801
Shipping Weight 0.002 lbs
Country of Origin USA *
Item Taper Length Drill Bit
Drill Bit Size 31/64"
Decimal Equivalent 0.4844
Measurement System Fractional Inch
Material - Machining High Speed Steel
Finish - Machining Bright (Uncoated)
Drill Bit Point Angle 135 Degrees
Drill Bit Point Type Notched Point
Flute Type Parabolic
Number of Flutes 2
Flute Length 5-3/4"
Maximum Drilling Depth 5-3/4"
Helix Angle 40 Degrees
Cutting Direction Right Hand
Spiral Direction Right Hand
Shank Type - Machining Straight
Shank Dia. 31/64"
Shank Length 2"
Overall Length 7-3/4"
Depth:Dia. Ratio 8xD
Drill Length Class Taper Length
Drill Point Length 0.1003"
Coolant Fed Non-Coolant Through
Drill Bit Grouping Individual
Series 120DH
Standards ANSI
Drill Diameter Tolerance +0.0000"/-0.0010"
Material Grade - Machining Heavy Duty
Primary Material Application Aluminum, Brass, Bronze, Copper, Low Carbon Steel, Soft Alloy Steel
Primary Material Application ISO Code N, P
* This product's country of origin is subject to change

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