High Speed Steel Taper Shank Core Drills
TTC PRODUCTION High Speed Steel Taper Shank Core Drills - Overall Length : 9-1/4   Flute Length : 5-3/8   Morse Taper: 2   Flute Shape: Helical flute   Manufacturing Method: Cylindrically ground   Size : 11/16

High Speed Steel Taper Shank Core Drills

Item #: 01-128-044
Size: 11/16"
Shank: 2MT
Tool Material: High Speed Steel

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  • For enlarging existing punched or drilled holes.
  • Taper shank is to be used in a taper socket and are sized by the standard morse taper sizes.
  • Work well for enlarging holes in normal steels, cast iron, and a variety of other ferrous and non-ferrous metals and alloys.
  • Used with portable or stationary machines with a taper socket spindle.
  • For optimal performance and extended tool life, use of suitable lubricating/cutting oils or appropriate coolant fluids.


  • Right hand (clockwise rotation) cutting direction.
  • Since chiploads are spread over a greater number of cutting edges, reduce regular drill speed 25% and double feed rate.
  • Standard 3 or 4 flute design.
  • Normal spiral - helical flutes.
  • Standard Morse taper shanks that correspond to the drill diameter.
  • Normal length drills have flutes proportional to length.

Technical Data

  • Cylindrically ground.
  • General purpose core drills.
  • Bright finish.


  • Drills do not have a cutting point and are not Intended to drill initial holes.
  • 3 or 4 flute drills will be shipped depending on our stock.
TTC PROD A27 HSS Ground Bright Fractional Taper Shank Core Drills
Product Specifications
Size 11/16"
Shank 2MT
Tool Material High Speed Steel
Drill Grade General Purpose
Drill Type Core drills
Finish Coating Bright Finish
Flute Length 5-3/8"
Flute Shape Helical
Hardness 58 to 60 RC
Manufacturing Method Cylindrically ground
No. of Flutes 3 or 4 flute
Morse Taper 2
Series A27
Type High Speed Steel Taper Shank Core Drills
Weight 0.5625 lbs.
Country of Origin Import

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