dth bits manufacturer

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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)
  • DTH Bit-SD6-178

    1.Improved steel grade for better fatigue properties
    2.Five basic front designs
    3.Designs for all rock types