SPHINX 40.12604.0077 .0303" Size, 118° , Cobalt Micro Twist Drill

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Item #
  • Brand: SPHINX
  • Size Type: Decimal
  • Size: .0303"
  • Drill Point Angle: 118°
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Product Specifications
More Information
Size Type Decimal
Size .0303"
Drill Point Angle 118°
Tool Material Cobalt
Finish Coating Bright
Shank Diameter 1mm
Overall Length 25mm
Type Spirec Cobalt Micro Twist Drills
Industry Standard DIN 1899 A RN
Flute Length 6.3mm
Model # 40.12604.0077
Point Sharpening Type Normal Point
Decimal Size 0.0303
Diameter .77mm
Drill Type Spirec Micro Twist
First Choice For: Stainless Steel
Helix Angle & Style 20°
Prop. 65 Yes
Series 12604
Shank Style Reinforced Metric Shank
Weight 0.0022 lbs.
Workpiece Material Range Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Plastics
Country of Origin SWITZERLAND

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.



  • For machining very small holes with extreme precision.
  • For drilling a wide range of normal ferrous, non-ferrous materials and alloys.
  • May be used with a variety of machine tools, but are most often employed in micro precision or other miniature drilling machines.
  • Hard, high speed cobalt steel, combined with reinforced shank, creates series of durable, rigid cutting tools, despite overall small drill diameters.


  • 2 facet point up to size .0571".
  • Helix angle: 20°
  • Dimensions: DIN 1899 A RN
  • Accuracy: +.000" / -.00015", ±.0002" (over .0571")


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