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SPHINX 40.12604.0098 .0386" Size, 118° , Cobalt Micro Twist Drill

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Item #
  • Brand: SPHINX
  • Size Type: Decimal
  • Size: .0386"
  • Drill Point Angle: 118°
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Product Specifications
More Information
Size Type Decimal
Size .0386"
Shank Diameter 1.50mm
Flute Length 8mm
Overall Length 25mm
Drill Point Angle 118°
Finish Coating Bright
Tool Material Cobalt
Point Sharpening Type Normal Point
Industry Standard DIN 1899 A RN
Type Spirec Cobalt Micro Twist Drills
Model # 40.12604.0098
Decimal Size 0.0386
Diameter .98mm
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 0.0025 lbs.
Workpiece Material Range Steel, Stainless Steel, High-Temp Exotic Alloys, Non-Ferrous, Cast Iron, Plastics
zFlute Length_Inch_DONOTUSE 0.315
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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