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	DTH Bit-BR2-90- Diameter: 90mm
- Air Holes No.: 2
- Gauge Buttons: 6*14mm
- Face Buttons: 6*12mm
- Approx. Weight: 4.2KGS
- Bit Face Type: Convex face
- Carbide Design of DTH Buttons: Parabolic(Semi-Ballistic)
 
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	DTH Bit-SD6-1781.Improved steel grade for better fatigue properties 
 2.Five basic front designs
 3.Designs for all rock types


