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  • Bullet Teeth B47K22H Drill Bits for Soil and Rock Drilling
  • Bullet Teeth B47K22H Drill Bits for Soil and Rock Drilling
  • Bullet Teeth B47K22H Drill Bits for Soil and Rock Drilling
  • Bullet Teeth B47K22H Drill Bits for Soil and Rock Drilling

Bullet Teeth B47K22H Drill Bits for Soil and Rock Drilling

Models: B47K22H

 

Material: Tungsten carbide: YG11C + 35MnB.

 

Unit weight: 1.25kg

 

Application: Suitable for drilling in strong/middle/weak weathered rock of foundation piles.

 

 

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Specification
  • The carbide tip uses the hard material, with bigger carbide tip, with stronger abrasion resistance;
  • Advanced processing, to guarantee the carbide tips high quality.
  • The body surface is smooth, less resistance, fast drilling efficiency.
  • The carbide teeth have multi-step, low probability of partial friction.
  • Big carbide size, smart and drilling faster.
  • Customize design.

 

 Tip  Teeth Body
Material  Tungsten  Carbide Alloy  YG11C  35MnB
Hardness  HRC 55-58  HRC 49-52
Dimension

Production
  • Blank forging processing
  • Machine tool processing
  • Alloy installation
  • Alloy welding
  • Overall heat treatment
  • Shot blasting
  • Finished product

 

 

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Drill Bits Catalogue
(PDF,8 MB)
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