Cobalt Taper Length (Long) Drills
TTC PRODUCTION Cobalt Taper Length (Long) Drills-Tool Material: Cobalt steel Size  : 1/4 Overall Length  : 6-1/8 Flute Length : 3-3/4 Shank Style: Straight shank Drill Type: Long

Cobalt Taper Length (Long) Drills

Item #: 01-113-016
Size Type: Fractional
Size: 1/4"
Drill Point Angle: 135°

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  • Designed for drilling holes deeper than possible with standard jobbers length drills.


  • Heavy duty, general purpose drills for ferrous, non-ferrous metals, alloys and non-metallic materials.
  • For hand held manual drills and variety of portable and stationary machine tools.


  • Right hand (clockwise rotation) cutting direction.
  • Standard two flute design with spiral, helical flutes.
  • Straight shanks correspond to drill diameter.
  • Taper length drills have approximately the same overall length as taper shank drills.
  • Yellow or black finish to be supplied depending upon inventory.

Technical Data

  • Manufactured from cobalt steel.
  • Precision ground flutes.
  • Cylindrically ground.
  • Point angle ground to 135° included angle.
TTC 1/4" Cobalt RH Taper Length (Long) Drill w/135° Point
Product Specifications
Size Type Fractional
Size 1/4"
Drill Point Angle 135°
Tool Material Cobalt
Finish Coating Amber Or Black Oxide
Helix Angle 30°
Point Sharpening Type Split Point
Decimal Size .2500"
Drill Grade Heavy Duty
Drill Type Long
Flute Length 3-3/4"
Flute Shape Spiral
Flute Surface Precision ground flutes
Manufacturing Method Cylindrically ground
No. of Flutes 2
OC_Wood X
Overall Length 6-1/8"
Series ACL-23
Shank Style Straight Shank
Type Cobalt Taper Length (Long) Drills
Weight 0.13 lbs.
Country of Origin Import

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