Metric Taper Length (Long) High Speed Steel Drill
TTC PRODUCTION Metric Taper Length (Long) High Speed Steel Drills-Tool Material: High speed steel Size  : 4.70mm Overall Length  : 126mm Flute Length : 82mm Shank Style: Straight Shank Drill Type: Long

Metric Taper Length (Long) High Speed Steel Drill

Item #: 01-136-021
Size Type: Metric
Size: 4.70mm
Drill Point Angle: 118°

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


  • Normal duty, general purpose drills.
  • Provide good performance for a variety of ferrous, non-ferrous metals, alloys and non-metallic materials.
  • May be employed for hand held manual drills and variety of portable and stationary machine tools.
  • To achieve the best performance and optimal tool life, a suitable lubricating/cutting oil or the appropriate coolant fluid is recommended for most drilling operations.


  • Right hand (clockwise rotation) cutting direction.
  • Standard two flute design.
  • Standard spiral, helical flutes.
  • Straight shanks correspond to the drill diameter.
  • Taper length drills have approximately the same overall length as taper shank drills.

Technical Data

  • Manufactured from high speed steel.
  • Precision ground flutes.
  • Cylindrically ground.
  • Point angle ground to 118° included angle.
  • Bright and black oxide finishes will be supplied depending upon inventory.
TTC 4.70 MM HSS RH Metric Taper Length (Long) Drill
Product Specifications
Size Type Metric
Size 4.70mm
Drill Point Angle 118°
Tool Material High Speed Steel
Finish Coating Bright Or Black Oxide
Helix Angle 30°
Point Sharpening Type Standard Point
Decimal Size .185"
Drill Type Long
Flute Length 82mm
Flute Shape Spiral
Flute Surface Precision ground flutes
Hardness 58 to 60 RC
Industry Standard DIN 340N
Manufacturing Method Cylindrically ground
No. of Flutes 2
Overall Length 126mm
Series A23M
Shank Style Straight Shank
Type Metric Taper Length (Long) High Speed Steel Drills
Weight 0.025 lbs.
Country of Origin Import