TTC PRODUCTION 01-115-029 31/64" 118° 12" OAL, High Speed Steel Extra Long Drill
TTC PRODUCTION High Speed Steel Aircraft Extension Drills - Size : 31/64   Flute Length : 4-3/8   Drill Point Angle: 118°   Flute Shape: Normal spiral - helical flutes   Overall Length : 12

TTC PRODUCTION 01-115-029 31/64" 118° 12" OAL, High Speed Steel Extra Long Drill

Item #: 01-115-029
Size Type: Fractional
Size: 31/64"
Overall Length: 12"

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  • For general purpose deep drilling in normal steels, cast iron, and a variety of other ferrous and non-ferrous metals and alloys.


  • Right hand (clockwise rotation) cutting direction.
  • Standard two flute design.
  • Normal spiral - helical flutes.

Technical Data

  • Cylindrically ground.
  • Manufactured from high speed steel.
  • Bright finish or black finish depending upon our stock.
TTC PRODUCTION 31/64" x 12"OAL HSS Aircraft Extension Drills
Product Specifications
Size Type Fractional
Size 31/64"
Overall Length 12"
Drill Point Angle 118°
Tool Material High Speed Steel
Finish Coating Bright or Black Finish
Drill Grade General Purpose
Drill Type Aircraft Extension
First Choice For: Steel
Flute Length 4-3/8"
Flute Shape Normal Spiral - Helical
Hardness 58 to 60 RC
Manufacturing Method Cylindrically ground
Model # 01-115-029
No. of Flutes 2
Point Sharpening Type Normal Point
Prop. 65 Yes
Shank Style Straight Shank
Type High Speed Steel Aircraft Extension Drills
Weight 0.5312 lbs.
Workpiece Material Range Steel, Non-Ferrous, Cast Iron, Plastics
Country of Origin Import
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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