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High precision Rock Drilling Tools equipped with DTH Button Bits suitable for demanding rock cutting tasks and down the hole drilling operations

Categories Rock Drilling Tools
MOQ: 1
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 3000
Delivery Time: 20-30
Packaging Details: Wooden cases
Brand Name: MIROC
Model Number: DHD3.5
Certification: ISO
Place of Origin: CHINA
Model NO.: DHD3.5
Type: Drill Bit
Material: Carbide
Usage: Well Drilling
Surface Treatment: Spray-Paint
Key Selling Points: Long Life
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High precision Rock Drilling Tools equipped with DTH Button Bits suitable for demanding rock cutting tasks and down the hole drilling operations

High Precision Rock Drilling Tools with DTH Button Bits
Engineered for demanding rock cutting tasks and down-the-hole drilling operations, these tools deliver exceptional performance in challenging conditions.
DTH Button Bits
The DTH bit serves as the primary rock-cutting tool in down-the-hole drilling systems. It withstands severe impact stress from the striking piston while managing high-velocity abrasive cuttings flowing over the bit body.
Selecting the optimal bit requires balancing penetration rate against bit life. In certain applications, sacrificing some bit life for increased penetration may be advantageous.
Rule of thumb: A 10% increase in penetration rate typically compensates for at least a 20% reduction in bit life.
Specifications & Options
Hammer size2″-3.5″ / 4″-8″ / 10″-32″
Shank stylesBR, AHD, Cop, Mission, Mincon, Numa, QL, TD, SD, DHD, XL, ACD, Mach
Face designFlat, Concave, Convex
DTH Button Bit technical diagram showing face design and button configuration
Customization Available
We design and manufacture personalized DTH bits to meet your specific application requirements, including:
  • Tungsten carbide insert profile (e.g., spherical, ballistic)
  • Face profile (flat, concave, convex)
  • Flushing hole configuration (number, size, angle)
Applications
  • Underground mining
  • Down-the-hole rock drilling
Competitive Advantages
  • High-grade tungsten carbide inserts for superior wear resistance
  • Bit bodies made from premium steel
  • Manufactured using state-of-the-art CNC machinery and precision heat treatment
DHD3.5 Ballistic Convex Face
Bit Diameter (mm)Bit Diameter (inch)Buttons Front (mm)Buttons Gauge (mm)Flushing HolesWeight (kg)Part Number
903.54*12,2*128*1224.54148301219
953.754*12,2*128*1224.84148301220
1003.8754*13,2*138*13254148301221
1054.1254*14,2*148*1425.54148301222
DHD3.5 Spherical Flat Face
Bit Diameter (mm)Bit Diameter (inch)Buttons Front (mm)Buttons Gauge (mm)Flushing HolesWeight (kg)Part Number
903.56*128*1224.54148301223
953.756*128*1224.84148301224
1003.8756*138*13254148301225
1054.1256*148*1425.54148301226
DTH Button Bit in operational environment showing rock drilling application Close-up view of DTH Button Bit showing button configuration and face design DTH Button Bit product lineup showing various sizes and configurations
Quality High precision Rock Drilling Tools equipped with DTH Button Bits suitable for demanding rock cutting tasks and down the hole drilling operations for sale
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