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Pilot drills in solid carbide design for twist drills

Solid carbide pilot drill for solid carbide twist drills Type 158-08, Type 158-07

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    • Drill 1

    • Drill 2

    • Drill 3

    • Drill 4

    • Drill 5

    • This field is for validation purposes and should be left unchanged.

      • botek Assistent

      • Cutting values
      • Single flute gundrills - Cutting Values
      • BTA Cutting data
      • Triangle
      • Tolerance
      • Hardness & tensile strength
      • Cutting values

      Cutting values

      Tool
      mm
      Cutting speed/ Speed of rotation
      m/min
      1/min
      Feed
      mm/min
      mm/Tooth
      Processing
      mm
      min sec
      SecondsMinutes
      • Single flute gundrills

      Single flute gundrills - cutting data

      Application / Type
      Material
      Application / Type
      Materials + Strength
      Parameter
      min
      Ø not within the range
      max
      mm
      80 100
      m/min
      80 100
      mm/Tooth
      Single flute gundrills - cutting values
      1/min
      mm/min
      Processing
      mm
      Min Sek
      Seconds Minutes
      • BTA Cutting data

      BTA Cutting data

      Application / Type
      Materials + Strength
      Application / Typep
      Materials + Strength
      Parameter
      min
      Ø not within the range
      max
      mm
      80 100
      m/min
      80 100
      mm/Tooth
      BTA Cutting data
      1/min
      mm/min
      Processing
      mm
      Min Sek
      Seconds Minutes
      • Triangle

      Triangle

      Calculation not possible due to the values entered.
      Site
      Angle
      mm
      Degree
      mm
      Degree
      mm
      Degree
      mm²
      • Tolerance

      DIN/ISO 286 - Tolerance

      mm
      Bore diameter not defined by ISO 286-2.
      Shaft diameter not defined by ISO 286-2.
      Bore
      Shaft
      • Hardness values and tensile strength

      Hardness values and tensile strength

      Hardness value not comparable.
      N/mm2
      Rm HV HB HRC
      Legend
      Rm: Tensile strength in N/mm²
      HV: Hardness Vickers
      HB: Hardness Brinell
      HRC: Hardness Rockwell

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      Contact

      Technical Hotline:

      Tools with exchangeable cutting inserts
      P: +49 7123 3808-200
      Single flute gundrills/ Twin fluted drills,
      Solid carbide twist drills, Solid carbide drills,
      Milling cutters, Reaming tools
      P: +49 7123 3808-300

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