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Hammer drill bit Max Quadro-L
Hammer drill bit Max Quadro-L - 1 Hammer drill bit Max Quadro-L - 2 Hammer drill bit Max Quadro-L - 3 Hammer drill bit Max Quadro-L - 4
Hammer drill bit Max Quadro-L - 1
Hammer drill bit Max Quadro-L - 2
Hammer drill bit Max Quadro-L - 3
Hammer drill bit Max Quadro-L - 4

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Hammer drill bit Max Quadro-L

Extremely long-lasting, very reinforcement-resistant hammer drill bit with high-strength carbide head with four cutting edges. Optimum material quality and innovative geometry ensure precise, smooth drilling over the entire service life.

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Available in 7 versions

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No hooking in and running off centre


The symmetrical 4 x 90° cutting edge geometry prevents the hooking in or running off centre of the drill bit when striking reinforcement or hard pebbles in concrete.



Perfect drilling properties


Thanks to head geometry that is tailored to the drill bit diameter.


  • 12–15 mm: Carbide element in one piece (Fig. 1) for high stability thanks to the maximised attachment surface with the steel body.

  • 16–30 mm: Multi-piece carbide element (Fig. 2) for faster drilling progress, and trisection design to improve buffering of torsional forces

  • 32–40 mm: Extremely wide carbide element in several pieces (Fig. 3) with specially reinforced ends for improved durability when used on high-performance hammer drills.


Optimum guidance in drilled hole


Thanks to the four cutting edges and four-spiral geometry of the drill bit, it is optimally guided into the drilled hole. You get perfectly cylindrical drilled holes, which are optimum for use with anchors.



Constant drilling speed


The drilling speed remains constant throughout the entire service life of the drill bit thanks to the special head geometry.



Precise drilling


The special self-centring tip enables precise tapping.

Notice
  • Iron reinforcements may only be drilled through with permission from a structural engineer.

  • With long drill bit lengths, pre-drill using a short drill bit of the same diameter.