Numa hammer
The World's Leaders in Rock Drilling Equipment
Down The Hole (DTH) Hammers, Drills and Bits
Roschen is the world’s leading designer and manufacturer of rock drilling equipment for drilling holes from 3½ – 48 inches (89 – 1219mm) in diameter
Our commitment gives our customers the peace of mind that we’ll always be there with the industry’s best performing, most reliable DTH rock drilling products and the industry’s best service and support.
Roschen produces our reliable, high-performance down hole hammers and bits in a 25,580 m2) facility. We pride ourselves on our dedication to providing the drilling industry with the highest value in products, performance and service in the industry.
Since the purchase of Roschen in 1975 by current management, Roschen has dedicated itself to becoming the leading designer and manufacturer of down hole hammers and bits worldwide. In fact, over the past twelve years we have introduced over 50 new hammer models, two overburden systems and Roschen Lube, an environmentally friendly alternative to rock drill oil.
Word of Roschen's extremely reliable on-the-job performance has quickly spread throughout the world. Today, over 45% of our sales are overseas, with Roschen hammers and bits at work on tough land and marine drilling sites in over 60 countries.
Roschen has worked hard to provide innovative solutions for drillers in all types of drilling industries. We continue to be instrumental in the development of large diameter hammers, introducing models capable of drilling holes up to 43" (1092 mm). We also lead the industry in reverse circulation and horizontal application hammers and bits. Today, as we anticipate industry needs, new designs are on the way.
Whether you're in the construction, mining, oil & gas, quarry, no-dig or water well industries, Roschen has designed a down hole product to meet your demanding needs. It is this commitment that gives our customers the peace of mind that we'll always be there with the industry's best performing, most reliable products and the industry's best service and support.
Advantages:
1. PRECISION ENGINEERING
Roschen offers one of the largest ranges of down the hole (DTH) hammers, drills and bits available in the drilling industry today. You can be sure we have the best DTH drilling tools to meet your needs.
2. EXCEPTIONAL CUSTOMER SUPPORT
With a dedicated field staff traveling to drill sites around the world, an expert sales team, and in-house engineers, we are capable of delivering your exact DTH drilling tool needs–anywhere in the world.
3. INNOVATIVE SOLUTIONS
Roschen consistently conducts research and development in order to improve drilling technologies for the future. We continue to be instrumental in the development of new technology.
ROSCHEN DTH Hammers Specifications | |||||||
Hammer Size |
Bit Shank |
ROSCHEN Code |
Connection Thread |
Suitable bit |
Working pressure |
Air consumption |
|
2" |
BR2 |
ROS 11 ROS 22 |
RD50 box |
¢70-¢90mm |
0.7-1.75Mpa |
0.7Mpa |
4.5m3/min |
1.0Mpa |
4m3/min |
||||||
1.4Mpa |
5m3/min |
||||||
3" |
DHD3.5 |
ROS 32 |
API 2 3/8" Reg |
¢90-¢110mm |
1.0-1.5Mpa |
1.0Mpa |
4.5m3/min |
COP32/COP34 | |||||||
M30 |
1.5Mpa |
9m3/min |
|||||
4" |
DHD340 |
ROS 34 |
API 2 3/8" Reg |
¢110-¢135mm |
1.0-2.5Mpa |
1.0Mpa |
6m3/min |
COP44 | |||||||
QL40 | |||||||
SD4 |
1.8Mpa |
10m3/min |
|||||
M40 |
2.4Mpa |
15m3/min |
|||||
5" |
DHD350 |
ROS 52 ROS 54 |
API 2 3/8"Reg/API 3 1/2" Reg |
¢135-¢155mm |
1.0-2.5Mpa |
1.0Mpa |
9m3/min |
COP54 | |||||||
QL50 | |||||||
SD5 |
1.8Mpa |
15m3/min |
|||||
M50 |
2.4Mpa |
23m3/min |
|||||
6" |
DHD360 |
ROS 62 ROS 64 |
API 3 1/2" Reg |
¢155-¢190mm |
1.0-2.5Mpa |
1.0Mpa |
10m3/min |
COP64 | |||||||
QL60 | |||||||
SD6 |
1.8Mpa |
20m3/min |
|||||
M60 |
2.4Mpa |
28.5m3/min |
|||||
8" |
DHD380 |
ROS 82 ROS 84 |
API 4 1/2" Reg |
¢195-¢254mm |
1.0-2.5Mpa |
1.0Mpa |
15m3/min |
COP84 | |||||||
QL80 |
1.8Mpa |
26m3/min |
|||||
SD8 |
2.4Mpa |
34m3/min |
|||||
10" |
SD10 |
ROS 100 |
API 6 5/8" Reg |
¢254-¢311mm |
1.0-2.5Mpa |
1.0Mpa |
22m3/min |
Numa100 |
1.8Mpa |
40m3/min |
|||||
ROS 100 |
2.4Mpa |
55m3/min |
|||||
12" |
DHD1120 |
ROS 120 |
API 6 5/8" Reg |
¢305-¢445mm |
1.0-2.5Mpa |
1.0Mpa |
30m3/min |
SD12 |
1.8Mpa |
56m3/min |
|||||
Numa120 |
2.4Mpa |
78m3/min |
|||||
Notes: Metzke, Remet thread is available! |
FAQ
1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight
2. Handling time for an order
Only 2 or 3 days if we have stock on your request size.
Based on order quantity, normally it takes 25 days for production.
3. Shipping way
Sample order: we suggest Courier express like DHL/UPS/TNT/FEDEX or by air
Bulk order: we suggest by air or by sea.
4. Quality Control
We have our own experienced QC.
There will be strict inspection and testing for every order before shipping out.
5. After Services:
(1). Our sales team will response for your question within 24 hours (Holidays Excluded)
(2). Technical Support will be available in any time
(3). Free replacement will provide once the failure confirmed caused by our product quality
6.How can we trust your company?
We support Alibaba trade insurance. Protecting products quality, shipment on time and your covered amount.
Any other questions,please feel free to contact with me online or by phone.