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CIR90-95mm bit for Quartz Rock(Low Air Pressure DTH Bit)

  • Code No.: CIR90-95
  • Diameter: 95mm
  • Carbide : 6*14mm, 3*13mm , 2*12mm
  • Rock type and hardness :Quartztites (class 5 to 6 grade)
  • Cemented Carbide grade :Special one for Quartz,higher than YK05
  • Bit face:Concave, Convex , Flat
  • Bit shape:Semi-ballistic in gauge,ballistic in front
  • Shank Type: CIR

CIR90-95mm bit for Quartz Rock(Low Air Pressure DTH Bit)

Product details

ProDrill rock drilling tools manufacturer has a full range of DTH drill bits with CIR shanks type for a wide range of hole sizes, which are designed to match all conceivable applications for water well industries, stone quarrying, mining and construction.

Shank types: CIR90, CIR100, CIR110, etc.

Suitable rock formation and condition :Quartztites (class 5 to 6) ,Granites (hardness class 3 to 5)

DTH hammer bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-305mm).



1.Improved steel grade for better fatigue properties

2.Five basic front designs

3.Designs for all rock types


CIR90 DTH Hammer


Main market place :  South America ,  especially Brazil , Granitas , Quartz quarries. 

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Technical Support: Magic Lamp