NACHI 1057030 27/64" 118° 7-1/4" OAL M35 5% Cobalt Coolant Fed Drill
NACHI Straight Shank Taper Length Coolant Fed Twist Drills - Tool Material: M35 Cobalt   Size  : 27/64   Drill Point Angle: 118°   Drill Type: Coolant Fed   Flute Length  : 4-5/8

NACHI 1057030 27/64" 118° 7-1/4" OAL M35 5% Cobalt Coolant Fed Drill

Item #: 01-150-427
Brand: NACHI
Size Type: Fractional
Size: 27/64"
Shank Diameter: 27/64"

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  • For drilling operations where a coolant or oil delivery system is available.
  • For drilling holes in a variety of normal steels, cast iron, and other ferrous and non-ferrous metals and alloys.
  • Suitable for a variety of drilling applications and conditions.


  • Right hand (clockwise rotation) cutting direction.
  • Made with two holes through their length to feed fluid to the drill.
  • Normal spiral and a normal 118° drill point angle, notch point, and a rolled heel for better coolant delivery and chip ejection.
  • Standard straight shanks that correspond to drill diameter.
  • Taper length drills have flutes proportional to length.

Technical Data

  • Manufactured from M35 cobalt.
  • Cylindrically ground.
  • Constant heavy duty web for greater strength.
  • Shank coolant entry to suit industry standard toolholders.
NACHI Spiral M35 Cobalt Bright Fractional Taper Length Long Straight Shank Coolant Fed Oil Hole Dril
Product Specifications
Size Type Fractional
Size 27/64"
Shank Diameter 27/64"
Morse Taper None
Flute Length 4-5/8"
Overall Length 7-1/4"
Drill Point Angle 118°
Finish Coating Bright
Drill Grade Heavy Duty
Drill Type Coolant Fed
First Choice For: Stainless Steel
Flute Shape Helical
Manufacturing Method Cylindrically Ground
Model # 1057030
Point Sharpening Type Notched Point
Prop. 65 Yes
Series L581
Shank Style Straight Shank
Tool Material M35 5% Cobalt
Type Taper Length
Weight 0.19 lbs.
Workpiece Material Range Steel, Stainless Steel, Non-Ferrous, Cast Iron, Plastics
Country of Origin JAPAN
Shipping Restrictions UPS SHIP (DROP SHIP ITEM)
Prop 65 Warning Many metalworking products do contain metals that are included in the latest Prop 65 warning. Exposure to the elements can be harmful. May cause cancer and reproductive harm.

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