Gold Member Since 2008
Audited Supplier
Zhuzhou ZZ Import and Export Co., Ltd.

Rock Drill, Drill Bits, Mining Bits manufacturer / supplier in China, offering High and Medium Air Pressure Button Bits Air Hammer, Carbide Indexable Shims Yg8 P30 American Standard, Tungsten Carbide Woodworking Tools Reversible Knives Yg6 and so on.

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High and Medium Air Pressure Button Bits Air Hammer

FOB Price: US $40 / Piece
Min. Order: 3 Pieces
Min. Order FOB Price
3 Pieces US $40/ Piece
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Port: Zhuzhou, China
Production Capacity: 5000 Piece/Pieces Per Month
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: Rock DTH hammer bits
  • Certification: ISO9001:2008
  • Type: Rock Drill Bits and Mining Bits for Mine Tunnel Qu
  • Usage: Drill
  • Use:Ore Mining: Machine Type:Drilling Equipment Material:Carbide
  • Brand: Zz Hardmetal
  • Trademark: ZZ Hardmetal
  • Specification: customer design
  • Customized: Customized
  • Length: Customized
  • Material: Tungsten Carbide
  • Blue/Yellow/Black/Green: DTH Drill Bit and Hammer
  • Mining Object: Ore Mining
  • Place of Origin: Hunan, China (Mainland)
  • Transport Package: Wooden Case or Carton Box
  • Origin: Hunan, China (Mainland)
Product Description
High and Medium Air Pressure Button Bits Air HammerSpecifications

DTH hammer and bits
1 medium and high air pressure
2 interchangeable with DTH bit
3 with Atlas copco products

High and medium air pressure DTH hammer and bits/DTH button bits and hammers


Low air pressure holeDia.: 65-220mm
High air pressure hole Dia.: 85-305mm
Face type: Drop center/concave/convex/double gauge/flat

Our DTH Bit can be suitable for many types of DTH Hammer, such as XL, Mission, COP, IR, Mach, Demag, SD, Bulroc, Halco Mach, Digger etc.

DTH bit is our company main product. After mang years search, we have rich experience in development and manufacture which adopted high-quality raw materials, advanced craft
DTH hammer typeHD35HD45HD55
Length(less bit)930mm1030mm1170mm
Weight(less bit)24.5kg39.2kg71.5kg
External diameterΦ81mmΦ99mΦ125m
Bit shankIR3.5"COP34COP44/DHD340COP54/DHD350R
Hole range(mm)Φ90-110Φ110-135Φ135-155
Connection threadAPI 2 3 /8" Reg.API 2 3 /8" Reg.API 2 3 /8" Reg.
  API 3 1 /2" Reg.
Working pressure0.5-2.5Mpa0.5-2.5Mpa0.5-2.5Mpa
Impact rate at 17 Bar28Hz27Hz25Hz
Recommended Rotation speed28r/min25-40r/min20-30r/min
Air consumption10bar80L/s100L/s1450L/s


DTH hammer typeHD55CHD65HD85
Length(less bit)1160mm1248mm1487mm
Weight(less bit)70.00kg98.00kg188.00kg
External diameterΦ125mmΦ142mΦ180m
Bit shankHD55C DHD350QCOP64/DHD360COP84/DHD380
Hole range(mm)Φ135-155Φ155-190Φ195-254
Connection threadAPI 2³/8" Reg.API 2³/8" Reg.API 4 1 /2" Reg.
API 3 1 /2" Reg.  
Working pressure0.5-2.5Mpa0.5-2.5Mpa0.5-2.5Mpa
Impact rate at 17 Bar25Hz23Hz20Hz
Recommended Rotation speed20-30r/min15-25r/min15-20r/min
Air consumption10bar140L/s175L/s190L/s
24bar390L/s475L /s495L/s
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Ms. Christine Tang
Foreign Sales
To: Ms. Christine Tang

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