Numa DTH Hammer

Product Detail

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.