Waldent Professional K-File 21mm


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Waldent Professional K File is manufactured by twisting or grinding a square or triangular tapered shaft so that the cutting edges are almost perpendicular to the long axis of the instrument.

Designed with four cutting edges & a 60° tip with 135° cutting angle with good cutting ability.

This together with its tight spiral ensure a safe preparation.

With more refined cutting edge, square cross section, these files lasts upto 8-10 endodontic cases.


  • For cleaning and shaping of canals.
  • Negotiating the canals with hand files prior to using rotary files.
  • It can be used as a pre-bent file in curved canals.


  • Sharp and mirror-like finishing edge.
  • Its hard-fiber stainless steel prevents corrosion after repeated cleaning and sterilization.
  • Have Less Separation Potential.
  • Have Potential to Bypass Obstruction with Great Ease.
  • Provide Smooth Tactile Feel while Instrumentation.
  • Used with Rasping, Pulling Motion or Watch Winding Motion.
  • Tighter Flutes, with more in number when compared to reamer.
  • Handles are made up of Medical Grade Plastic, which are ISO Color-Coded & numbered according to size.
  • The file comes with Radio – Opaque markings for easy length measurement.
  • Blades are made of a Special Stainless Steel Alloy, which allows a high degree of Elasticity &  Tensile Strength.
  • Inactive Pilot Tip.
  • K file is the Strongest of the Hand File.

Key Specifications

Rusting Prevention  Passivated
 Ultrasonic cleaned  Yes
 Usage  Right & Left hand
 Test Performed  Boil Test, Performance Test, Shape   Test
 Packing  Plastic Box
 Manufacturer  CE & ISO Certified



  • For severely curved canals.

Note: Recommended to use in the single patient only.

Direction to Use

Watch Winding Technique

  • The use of the file in a forward and backward motion, as if watch winding, with slight apical pressure.
  • This allows the file to effectively debride the canal dentine by moving slowly down the canal.
  • For K-type files, once the file has reached the desired working length a push and pulling action is used around the circumference of the canal, while only maintaining contact with the canal wall on the outstroke to minimize a debris blockage apically.

Features :


  • Made of high-quality Stainless Steel – Allow a high degree of Elasticity & Tensile Strength.
  • Improved Design of hand end – Better Grip.


  • It’s a Finger/ HandInstrument.


  • The K-type file works in Filing motion (Push-Pull motion).


  • Have Radio-opaque marking on the shank for easy length measurement at 18mm, 19mm in 21mm file length & at 19mm, 20mm, 21mm, and 23mm in 25mm file length.


  • ISO color-coded handles by size.


  • Have Non-Cutting Pilot Tip – Prevent Transportation.


  • Autoclavable at 135° Celsius
  • Packaging
  • Pack of 6 Files.

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Additional information




Pack of 6 files.

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Waldent Professional K-File 21mm

Waldent Professional K-File 21mm


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