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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