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DRILL JBR CO-AMD 3780 5/16 close
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DRILL JBR CO-AMD 3780 5/16

  • Item # GNF3780-15970
  • Mfr. Model # 3780-15970
  • UNSPSC # 20111614
  • Shipping Weight 1.0 lbs

Product Details

Jobber length cobalt drill bit. Modified 135 degree split point with high positive notch angle for self centering. High helix for more efficient chip removal. Screw machine flute length for extra tool strength.

Technical Specs

  • Application For Alloy, Carbon, Stainless and Tool Steel
  • Item Jobber Drill Bit
  • Decimal Equivalent 0.3125
  • Grade Heavy Duty
  • Overall Length 4-1/2"
  • Point Type Split Point
  • Shank Dia. 5/16"
  • List Number 3780
  • Cutting Direction Right Handed
  • Flute Length 3-3/16"
  • Drill Bit Grouping Drill Bit
  • Drill Bit Size 5/16"
  • Drill Bit Material Cobalt Steel
  • Drill Bit Dimension Type Fractional Inch
  • Flute Type Spiral
  • Drill Bit Point Angle 135 Degrees
  • Drill Bit Finish Black Oxide
  • Coolant Through No
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