With professional manufacturing experience in DTH hammer production, our factory can supply you with high pressure and medium to low pressure DTH hammers. It strictly matches with API standard and other Chinese industry standards.It is durable for being produced with advanced craftwork and good material. We manufacture DTH Hammers in different sizes ranging from 2" to 12",including the following series:CIR,IR(Ingersoll-Rand),DHD,COP,Mission,Bulroc,SD,Numa,Mincon,Halco,Mach and QL hammer.The optimum range of hole size for blast drilling with DTH is 76mm to 998mm, smaller blast holes are generally drilled using top hammer, and larger holes generally use rotary machines. Our hammer like the world famous brand are known for their reliability and longevity.
DTH hammer is one of our main products. It is durable for being produced with advanced craftwork and good material.After many 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.
DTH hammer are mainly used in Rock drilling, well drilling, tunnel drilling, pile drilling and other construction.
Advantage:
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption
2. Smooth performance and long service life
3. Low problem rate and easy to maintenance
4. Easy to depart bit from hammer
5. Interchangeable with dth bit and drill pipe
Available series of DTH hammer:
1) Low air pressure series:
CIR Series:CIR55, CIR60, CIR70, CIR80, CIR90, CIR100, CIR110, CIR150, CIR170, etc.
J Series: J60C, J70C, J80B, J100B, J150B, J170B, J200B, etc.
2) Medium air pressure series
BR Series: BR1, BR2, BR3
HD25A
DTH hammer type | BR1 | BR2 | BR3 | |
Length(less bit) mm | 760 | 880 |
| |
Weight(less bit) kg | 10 | 14.5 | 26 | |
External diameter mm | Φ54 | Φ62 | Φ82 | |
Bit shank | BR1 | BR2 | BR3 | |
Hole range(mm) | Φ64-76 | Φ70-90 | Φ90-110 | |
Connection thread | RD40 Box | RD50 Box | API 2 3/8"Reg | |
Working pressure | 0.7-1.75Mpa | 0.7-1.75Mpa | 0.7-1.75Mpa | |
Impact rate at 1.4Mpa | 27Hz | 25Hz | 25Hz | |
Recommended Rotation speed | 25-40r/min | 25-40r/min | 25-40r/min | |
Air consumption | 0.7Mpa | 1.5m3/min | 2.5m3/min | 4.0m3/min |
1.0Mpa | 2.5m3/min | 4.0m3/min | 6.0m3/min | |
1.4Mpa | 3.0m3/min | 5.0m3/min | 8.0m3/min |
3) High air pressure series
SD series hammer: SD 5, SD 6, SD 8, SD 12.
QL series hammer: QL 30, QL 40, QL 50, QL 60, QL 80.
DHD series hammers: DHD 35, DHD 340. DHD 350, DHD 360, DHD380.
Mission series hammers: M30, M40, M50, M60, M80.
Cop series hammers: Cop 32/34, Cop 42/44, Cop 54/64.
NUMA series hammers: Numa100, Numa120, Numa125
DTH hammer type | HD35 | HD45 | HD55 | HD55C | HD65 | HD85 | |
Length(less bit) | 930mm | 1030mm | 1170mm | 1160mm | 1248mm | 1487mm | |
Weight(less bit) | 24.5kg | 39.2kg | 71.5kg | 70.00kg | 98.00kg | 188.00kg | |
External diameter | Φ81mm | Φ99m | Φ125m | Φ125mm | Φ142m | Φ180m | |
Bit shank | IR3.5"COP34 | COP44/DHD340 | COP54/DHD350R | HD55C DHD350Q | COP64/DHD360 | COP84/DHD380 | |
Hole range(mm) | Φ90-110 | Φ110-135 | Φ135-155 | Φ135-155 | Φ155-190 | Φ195-254 | |
Connection thread | API 2 3/8" Reg. | API 2 3/8" Reg. | API 2 3/8" Reg. | API 2³/8" Reg. | API 2³/8" Reg. | API 41/2" Reg. | |
API 3 1/2" Reg. | API 31/2" Reg. | ||||||
Working pressure | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | 0.5-2.5Mpa | |
Impact rate at 17 Bar | 28Hz | 27Hz | 25Hz | 25Hz | 23Hz | 20Hz | |
Recommended Rotation speed | 28r/min | 25-40r/min | 20-30r/min | 20-30r/min | 15-25r/min | 15-20r/min | |
Air consumption | 10bar | 80L/s | 100L/s | 1450L/s | 140L/s | 175L/s | 190L/s |
18bar | 1600L/s | 180L/s | 280L/s | 280L/s | 3400L/s | 370L/s | |
24bar | 210L/s | 250L/s | 390L/s | 390L/s | 475L/s | 495L/s |












Q1. Can I have a sample order?
Answer:Yes, we welcome sample order to test. Mixed samples are acceptable.Q2. If you accept customized according to customers' requirements?
Answer: Yes, we accept customized, no matter what size and type, and MOQ is 1 piece. And we also provide OEM service. You can provide your design, and we sign CA with each other.
Q3. Are you original manufacturer or trading company?
Answer: We are an integrated corporation specialized in manufacturing and exporting.
Q4. What is your main products?
Answer: Our main products including PDC Mining Drill Bits, PDC Oil Drill Bits, DTH Hammer, Down the Hole Bits, Top Hammer Drill Bits, Tricone bits,Drill Rod, PDC Cutters.
Q5. What type of drill bit should I be using?
Answer: When asking that question there are a lot of variables: the formation you are drilling in; the size of hole your drilling; the size pump you have; if you are drilling with mud or air; and the size of your rig. Call us on our 24 hour phone number or write us an email, we will help you make the right bit choice.
Q6. Do you provide after-sales service?
Answer: Timely after-sale assistance shall be provided all the time. Free change once the problem caused by the quality issue.
Q7. What is the production capacity of your factory?
Answer: Our production capacity is about 36,000 to 50,000 bits per month.
Q8. What is your delivery time?
Answer: 3-7 days for frequent ordered models&size which we always hold stocks. 15-30 days for newly produced goods and customization products.
Q9. What are your main markets?
Our products are exported to Australia, Chile, Canada, South Africa, Ethiopia, Malaysia, South Korea, Brazil, Russia, Norway and more than 30 countries.