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35mm Premium Laser welded Dry wet Diamond Core drill Bit for granite

Premium quality diamond core bit designed for delivering the highest stone drilling and coring performance at the lowest cost.Diamond core bits work great on granite drilling, marble drilling and other hard stone drilling.

Premium Dry Diamond Core Bits with T-Segment are manufactured with laser weld technology. So it guarantees long life time and strong connection with the steel body. Effiman^TM diamond core bits are capable of drilling holes number from 100 up to 150 tested. They can be used either dry or wet. Please use water if you operate at higher speeds.

Teco^TM Premium Dry Diamond Core Bit has it all: T-segments with diamond side protection. With T-segments, the segments are tightly bonded to the bit body and you don't need to worry about breaking the segments. Side protection allows you to drill a cleaner hole faster.

Sizes available: 1", 1-1/4", 1-3/8", 1-1/2" and 2". 

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  Designed for      drilling granite

  
  


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  Dry or wet use

  
  


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  30 seconds per      hole on 3 cm granite

  
  




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  100+ holes on 3      cm granite

  
  


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  Optimal speed 6000-7000 RPM.

  
  


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  1" diamond      core bits owns T-segments but no side protection.