PRECISION TWIST DRILL 059213 M 135° 12" OAL, High Speed Steel Extra Long Drill
PRECISION TWIST High Speed Steel Aircraft Extension Drills - Size : M   Flute Length : 3-1/16   Drill Point Angle: 135°   Flute Shape: Normal spiral - helical flutes   Overall Length : 12

PRECISION TWIST DRILL 059213 M 135° 12" OAL, High Speed Steel Extra Long Drill

Item #: 01-316-413
Size Type: Letter
Size: M
Overall Length: 12"

Only sold in increments of 6.

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Access hard-to-reach holes


  • For drilling normal steels, cast iron, and a variety of other ferrous and non-ferrous metals and alloys.
  • Used with hand held manual drills and either portable or stationary machines.


  • Right hand (clockwise rotation) cutting direction.
  • Standard 2 flute design, normal spiral - helical flutes.
  • Straight shanks correspond to the drill diameter.

Technical Data

  • Manufactured from high speed steel to NAS 907 Type B specifications.
  • Cylindrically ground, point angle ground to 118° included angle.
  • Black finish.
Product Specifications
Size Type Letter
Size M
Overall Length 12"
Drill Point Angle 135°
Tool Material High Speed Steel
Finish Coating Black Oxide
Drill Grade General Purpose
Drill Type Aircraft Extension
Flute Length 3-1/16"
Flute Shape Normal Spiral - Helical
Hardness 58 to 60 RC
Manufacturing Method Cylindrically ground
Model # 059213
No. of Flutes 2
Point Sharpening Type Split Point
Prop. 65 Yes
Series SERIES 502-12
Shank Style Straight Shank
Type High Speed Steel Aircraft Extension Drills
Weight 0.006 lbs.
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.

Other Items to Consider

TTC PRODUCTION Single Flute High Speed Steel Countersinks - Included Angle: 82°     Overall Length : 2   Shank Diameter : 1/4   SIZE : 5/16   No of Flutes: 1
TTC PRODUCTION High Speed Steel Straight Flute Chucking Reamers - Size: M   Diameter: .2950   Flute Length: 1-1/2