Complaint
DTH drilling is a percussion system driving a piston inside hammer body with up and down motion by compressed air and transmitting an intensive percussion energy to the bit to enable the drilling by crushing the rock. Drilling method by DTH hammer exerts high drilling performance especially for drilling hard rock and contributes for shortening work schedule. Hence, this method is widely utilized for foundation work, landslide prevention work, quarrying services, marine civil work, etc.
Characteristics
- Advanced hammer designs with high power and air efficiency increases productivity
- Tailored product offering covers all your applications and conditions
- Easy service and maintenance designs reduces machine downtime
- Generic and proprietary shank options give you flexibility and reliability
Specification
| Hammers Size | Bit Shank | Connection Thread | Connection Thread |
| 2" | BR2/HD25 | RD50 box | 70-90mm |
| 3" | DHD3.5/COP32/COP34/QL30/M30/BR3/BR33/XL3/Mach303 | API 2 3/8" Reg | 90-110mm |
| 4" | DHD340/COP44/QL40/SD4/M40/ Mach44/TD40(COP44 gold) | API 2 3/8" Reg | 110-135mm |
| 5" | DHD350/COP54/QL50/SD5/M50 | API 2 3/8" Reg API 3 1/2" Reg | 135-155mm |
| 6" | DHD360/COP64/QL60/SD6/M60/TD60 (COP64 gold) | API 3 1/2" Reg | 155-190mm |
| 8" | DHD380/COP84/QL80/SD8/M80 | API 4 1/2" Reg | 195-254mm |
| 10" | SD10/NUMA100 | API 6 5/8" Reg | 254-311mm |
| 12" | DHD1120/NUMA120/NUMA125 | API 6 5/8" Reg | 305-445mm |
Service
In our after sales service system, We establish perfect control system strictly according to ISO-9000 series, in this system, technology date and problem solve solution and preventive measures will be provided in any maintain project, all the spare parts will be used in new OEM products with installation instructions, packing list, manufacturer's instruction, qualification and Warranty certificate.
We provide "one equipment & one case, endless service, namely the after sales service begin from the order confirmation, last for the working life of the equipment.
Q1: Are you trading company or manufacturer ?
A: We are manufacturer (factory).
Q2: How long is your delivery time?
A: Generally it is 5-15 working days if the goods are in stock. Or it is 20-30 working days if the goods are not in stock, it is according to the quantity.
Q3. What is your terms of delivery?
A: FOB, CFR, CIF,EXW, DAP etc.
Q4: Do you provide samples ? Is it free or extra ?
A: No, it should be paid because of high value.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
