DTH 380 Hammer for Down The Hole Drilling
Application:Mining, construction, quarrying, exploration drilling, etc.
Customisation services: Support for customisation
Package: Wood Carton
Brand：HFD
HFD's DHD series of submerged hole impactors are made of high-quality alloy steel material and special internal structure to provide maximum energy to the drill bit making it featured with a high penetration rate, long service life, fast drilling speed, and low air consumption.
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DTH 380 Hammer for Down The Hole Drilling :
All of HFD's bits are manufactured from high quality materials and are available as standard bits in different sizes, with a wide range of shanks and a variety of bit designs to suit each customer's needs for different drilling projects.
We have several series of DTH hammer types, you could consider , penetration rate, reliability, air consumption, impact power,hammer life to choose the most suitable DTH hammer.
| Technical Specification: | |||
| Length(Less bit) | 1492mm | Air Consumption | |
| Weight | 190kg | 1.8Mpa | 26m3/min |
| Outer diameter | Φ180mm | 2.4Mpa | 34m3/min |
| Connection Thread | API4 1/2"REG | ||
| Bit Shank | DHD380 | ||
| Hole Range | Φ195-Φ254mm | ||
| work pressure | 1.5-3.3Mpa | ||
| Recommended rotation speed | 30-60 r/min | ||
| |||||
| Ref | Parts | Weight | Ref | Parts | Weight |
| 01 | Top Sub | 42Kg | 09 | Piston | 41.5Kg |
| 02 | Squashing Ring | 0.2Kg | 10 | Piston Case | 62.5Kg |
| 03 | O Ring | 0.02Kg | 11 | Retainer Ring | 1.2Kg |
| 04 | Check Valve | 1.3Kg | 12 | O Ring | 0.02Kg |
| 05 | Spring | 0.09Kg | 13 | Squashing Ring | 0.2Kg |
| 06 | Rubber Buffer | 0.4Kg | 14 | Drive Chuck | 18.2Kg |
| 07 | Valve Seat | 13Kg | 15 | Drill Bit | |
| 08 | lnner Cylinder | 9.1Kg | |||
What are the features of HFD's DHD series DTH hammer?
1. It is made of high quality materials to provide long-lasting performance for your drilling and can withstand harsh and severe drilling environments to protect your project.
2. Compared with other brands, our price is still absolutely competitive while guaranteeing the quality of our products.
3.Huge impulse with low consumption of electricity.wave duration longer, the stress amplitudeis lower, and the piston life is long.
4. They perform well in different rock formations even in hard and abrasive rock types and are widely used in mining, construction and geotechnical engineering as well as other drilling applications.
FAQ：
1. Are you exact manufacturer or just trading company?
We are both,we have our own factory. And also have many long-relationship factories.
2.What is your minimum order quantity?
Our MOQ are 1pc or 1 complete set, the price may rely on the order quantity. We are welcome your sample order to testing our quality。
3. How about Packing
Using ply-wooden cases and pallet for exporting to protect products and avoid the damagement during transportation.
Also, we can customize package according to your special requests.
4. How about the delivery time?
It depends, generally it takes about 15-25day. If have stocks, Usually only 5-10 days if in stock.
5.How to choose the right DTH hammer ?
1).Pls show me which hole size do you want to drill.
2).Maybe you have a picture of it.
Related images:
HFD is available 7*24*365 all year round to provide you with operation guide and technical service at any time.
