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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-BR3-90
- Code No.: BR3-90
- Diameter: 90mm
- Air Holes No.: 2
- Gauge Buttons: 6*13mm
- Face Buttons: 7*12mm
- Face Design: Convex
- Carbide Design: Semi-Ballistic
- Approx. Weight: 4.0KGS
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DTH Bit-SD6-178
1.Improved steel grade for better fatigue properties
2.Five basic front designs
3.Designs for all rock types
