China Rock Drilling Tools manufacturer
KSQ Technologies (Beijing) Co. Ltd
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High Air Pressure DTH Hammer Hard Rock Drill Bits Cop32 Cop34 DHD330

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KSQ Technologies (Beijing) Co. Ltd

City: beijing

Province/State:beijing

Country/Region:china

Tel:0086--18501231988

Contact Person:
Mr.Yingkai Zhang
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High Air Pressure DTH Hammer Hard Rock Drill Bits Cop32 Cop34 DHD330

Brand Name Mirco
Place of Origin China
Minimum Order Quantity negociated one
Price negociated one
Payment Terms T/T, L/C, Western Union
Supply Ability 5000 Piece/Pieces per Month
Delivery Time 10-15 days
Packaging Details wooden box or steel box
Model DTH Hammer Rock Drill Bits
Type Drill Bit
Machine Type Drilling Tool, Drilling Equipment
Material Carbon Steel
Processing Type Forging
drilling hole diameter 85mm-305mm
air pressure 0.7-2.5 Mpa
size size: 3" 3.5" 4" 5" 6" 8" 10" 12"
Detailed Product Description

High Air Pressure DTH Hammer Hard Rock Drill Bits Cop32 Cop34 DHD330

 

 

DTH Bit

 

DTH bit is also our main product. After mang years search, we have rich experience in development and manufacturing high quality products, which adopted high-quality raw materials, advanced technology and passed through strictly inspection.

 

1.high and low air pressure down-the-hole drill bits
2.Low air pressure holeDia.:65-220mm

3.High air pressure hole Dia.:85-305mm

4.Face type:drop center/concave/convex/double gauge/flat

5.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.

 

 

 

High Air Pressure DTH Hammer (with foot valve)

 

It is a kind of valveless high air pressure DTH hammer with foot valve.

 

Advantages:

1.Valveless air distribution, more reliable;

2.Piston with simple but compact design, long life;

3.More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.

4.Fewer internal parts, simple structure, longer life, less failure and easier to maintain, with the all heat treated parts;

5.Easy to disassemble, thanks for the top sub, drive chuck and external cylinder all are connected by multi-step thread.

 

DTH hammer typeDTH355DTH345
Length(less bit) mm930mm1030
Weight(less bit) kg25kg39
External diameter mmΦ82mmΦ99
Bit shankDHD3.5COP44 DHD340
Hole range(mm)Φ90-110Φ110-135
Connection threadAPI 2 3/8” Reg.API 2 3/8"Reg
  
Working pressure1.0-1.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa28Hz27Hz
Recommended Rotation speed25-40r/min25-40r/min
Air consumption1.0Mpa4.5m3/min6.0m3/min
1.8Mpa9.0m3/min10.0m3/min
2.4Mpa/15.0m3/min

 

DTH hammer typeDTH355DTH355K
Length(less bit) mm12141160
Weight(less bit) kg76.572.5
External diameter mmΦ125Φ125
Bit shankCOP54/ DHD350RHD55C /DHD350Q
Hole range(mm)Φ135-155Φ135-155
Connection threadAPI 2 3/8"RegAPI 2 3/8"Reg
API 3 1/2"RegAPI 3 1/2"Reg
Working pressure1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa25Hz25Hz
Recommended Rotation speed20-35r/min20-35r/min
Air consumption1.0Mpa9.0m3/min9.0m3/min
1.8Mpa15.0m3/min15.0m3/min
2.4Mpa23.0m3/min23.0m3/min

 

DTH hammer typeDTH365DTH385
Length(less bit) mm12481492
Weight(less bit) kg100188
External diameter mmΦ142Φ180
Bit shankCOP64 DHD360COP84 DHD380
Hole range(mm)Φ155-190Φ195-254
Connection threadAPI 3 1/2"RegAPI 4 1/2"Reg
  
Working pressure1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa23Hz20Hz
Recommended Rotation speed20-30r/min20-30r/min
Air consumption1.0Mpa10.0m3/min15.0m3/min
1.8Mpa20.0m3/min26.0m3/min
2.4Mpa28.5m3/min34.0m3/min

 

DTH hammer typeDTH380DTH31100
Length(less bit) mm14631502
Weight(less bit) kg192290
External diameter mmΦ180Φ226
Bit shankSD8SD10
Hole range(mm)Φ195-254Φ254-311
Connection threadAPI 4 1/2"RegAPI 4 1/2"Reg
 API 6 5/8"Reg
Working pressure1.0-2.5Mpa1.0-2.5Mpa
Impact rate at 1.5-1.7Mpa20Hz18Hz
Recommended Rotation speed15-25r/min15-25r/min
Air consumption1.0Mpa15.0m3/min22.0m3/min
1.8Mpa26.0m3/min40.0m3/min
2.4Mpa34.0m3/min55.0m3/min

 

 

 

 

 

 

 

 

About us 

 

MIROC® Rock Drilling Tools are Rock Drilling Tools Brand by KSQ Tecnologies (Beijing) Co. Ltd.

 

KSQ Technologies (Beijing) Co. Ltd. provides exceptional technical know-how in development, production, and application. The company has adopted advanced manufacturing processes to ensure high quality steels and tungsten carbide inserts for its rock drilling accessories. Its personnel understand clients’ drilling needs, and have the service skills to recommend the right drilling tools for the job. Its experienced product developers can also create custom tools. Furthermore, the company’s development team introduces innovative products each year – tools that are rigorously tested in the field and proven
to perform beyond industry expectations.

 

MIROC® Rock Drilling and Ground Support Tools include:

 

Integral Rods
Plug Hole Rods
Tapered Drilling Tools
Extension Drilling Tools
Drifting and Tunneling Tools
Reaming Tools
Shank Rods
Shank Adapters (Striking Bars)
Down-the-hole (DTH) Bits
Down-the-hole (DTH) Hammers

 

Product Tags: dth hammer bits   dth button bits  
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