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Brand Name : MIROC DTH Rock Drilling Tools
Model Number : COP DTH Hammer
Certification : API
Place of Origin : China
MOQ : 1 Piece DTH Hammer
Price : Negotiation
Supply Ability : 20000 pieces per month
Delivery Time : 10-15 Days
Packaging Details : Wooden Box
Product Name : DTH Hammer
Bit Shank : COP35 / DHD3.5
Hammer Length : 930mm without bit
External Diameter : 82mm
Color : Green
Weight : 25kg Per Piece DTH hammer
COP35/DHD3.5 Hammer
High Air Pressure DTH Hammer with Foot Valve
COP35 (DHD3.5) DTH Hammer
Air distribution of 3” hammer with the valve to utilize bit without blow tube.
DHD3.5 DTH Hammer Structure

| Replacement Parts | Part Number | ||
| 1 | Top sub | DHD3.5-01 | |
| 2 | O-ring of top sub | DHD3.5-02 | |
| 3 | Breakout Ring | DHD3.5-03 | |
| 4 | Check Valve | DHD3.5-04 | |
| 5 | Spring | DHD3.5-05 | |
| 6 | Compression Buffer | DHD3.5-06 | |
| 7 | Air Distributor | DHD3.5-07 | |
| 8 | Internal cylinder | DHD3.5-08 | |
| 9 | Piston | DHD3.5-09 | |
| 10 | External cylinder | DHD3.5-10 | |
| 11 | Guide sleeve | DHD3.5-11 | |
| 12 | O-ring of stop ring | DHD3.5-12 | |
| 13 | Stop ring | DHD3.5-13 | |
| 14 | Breakout ring | DHD3.5-14 | |
| 15 | Drive chuck | DHD3.5-15 | |
| 16 | Drill bit | DHD3.5-16 | |
DHD3.5 Hammer Technical Parameters
| Drilling Diameter(mm) | Hammer Length Without Bit(mm) | External Diameter(mm) | Weight Without Bit(kg) | ||||
| φ90-φ110 | 930 | 82 | 25 | ||||
| Working Pressure(Mpa) | Air Consumption(m³/min) | ||||||
| 1.0-1.5 Mpa | 1.0Mpa: 4.5 m³/min | 1.5Mpa: 9.0 m³/min | |||||
| Impact rate at 17 bar | Recommended Rotation Speed | Connection Rod Thread | Bit Shank | ||||
| 28HZ | 25-40 r/min. | API 2 3/8'' Reg | DHD3.5 | ||||
DTH Hammer Features:
1. The operating air pressure is between 0.7 MPa and 1.75 MPa.
2. Valveless hammers.
3. Simple structure, easy to assemble and to disassemble, long life span.
4. Higher impact frequency and faster drilling speed.
5. Lower air consumption and lower oil consumption. A hole can be drilled on the check valve to provide more efficient cuttings discharge.
6. Especially suitable for quarrying.
DHD3.5 DTH Hammer Photo:

DTH Hammer Package Photo:

  
Rock Drilling Tools Brand MIROC®

The MIROC® Rock Drilling Tools product line by KSQ Technologies (Beijing) Co.Ltd. is the result of years of advanced engineering, precision manufacturing, and dedication to the use of high-quality materials.
MIROC® Rock Drilling Tools are used by many drilling professionals related to mining, construction, tunneling, and quarrying projects around the globe.
MIROC® Rock Drilling Tools include:
Company
 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.
                     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.
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