COUNTERSINK 60°, HSS-XE 3-FLAT-SHANK / KARNASCH Germany

KarnaschSKU: 4040300080

Size: Ø8mm Head-Ø6mm Shank
Price:
$24.35

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Stock:
In stock

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Description

Made by KARNASCH/GERMANY


Suitable for: Steel<130Ksi, Stainless Steel<130Ksi, Grey Cast Iron, Aluminum>10% Si, Copper, Brass, Tin, Plastic GRP/CRP;
The flutes of Karnasch High-Performance countersinks are always CBN ground.
This guarantees: Excellent chip clearance / chatter-free working / scratch-free surface / best centering.
Made of high-alloyed special steel „XE“ for considerably longer service life than HSS-Steel.
60° Countersinks are particularly suitable for countersinking in threaded core holes and countersinking in the tool making/jig making industry.

 

60deg countersink

Areas of application of countersinks:

  • Abrasive and hardened steels > 1000 N/mm²
  • Gray cast iron > 240HB
  • Stainless steels
  • Acid-resistant steels
  • Titanium and titanium alloys
  • Cast iron and light metals
  • Non-ferrous metals

     KARNASCH Countersinks characteristics:

    3 SURFACE SHANK

    • 3 surface shank results in:
      • Excellent torque transmission
      • No slipping in the chuck
      • Significantly higher cutting performance  
    * CAUTION: In preparation. Not yet available for all articles. If absolutely necessary, please ask in advance if already available.
    • RAPID-CUT countersink Art. 20 1760 / 20 1765 already complete with 3 surface shank. Carbide countersinks  Art. 20 1755 are supplied with cylindrical shank. These countersinks are mainly used in HIGH-TECH machining on CNC machines with shrink chucks. Only the cylindrical shank is suitable for this purpose.

    countersink diagram 2

    DIAMETER RELIEF ANGLE

    • Every diameter is given a clearance angle at its circumference.

    Result: The largest cutting diameter is thus always the highest point.

    3 countersink

    AXIAL CBN RELIEF GRINDING

    Result: Clear cut with low heat generation.

    CBN RELIEF GRINDING

    CBN RELIEF GRINDING

    Radially adapted CBN relief grinding according to the diameter.

    Result: The cutting edge is always the highest point in the diameter.

    karnasch countersink

    CBN DEEP-GROUND FLUTES

    CBN deep-ground flutes result in considerably higher burr clearance and sharpness compared to milled flutes. This results in significantly higher cutting performance and tool life.

     

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