2 Inch To 30 Inch Numa 120 Numa 125 DTH Hammers And Bits

Product Details

 

2 Inch to 30 Inch Down The Hole Drilling Numa 120 Numa 125 DTH Hammers and Bits

 

ROSCHEN DTH hammer and bits are compatible with CIR, DHD, QL, SD, Mission, etc. Series of Atlas and Secoroc etc.

They are with high efficiency, low failure rate and long service life. Even for all kinds of high hardness, high abrasive rocks and other harsh conditions, our drilling tools can also realize efficient and economical drilling.


Down-the-hole (DTH) bits are used with Down-the-hole hammers for drilling holes through a wide range of rocks types. In conjunction with DTH hammers, drill hammer bits are designed with a splined drive for rotating the bit in the ground. Drill bits are available in different sizes and different styles so they can drill a wide range of hole sizes.



 

Numa shank Bits Bit Dia. No. Gauge Front Weight Part No.
mm inch Air Holes Buttons Buttons (Kgs)
Numa100 254 10" 3 12×φ18 20×φ16 90 Numa100-254
305 12" 4 12×φ18 36×φ18 102 Numa100-305
311 12 1/4" 4 12×φ18 36×φ16 104 Numa100-311
318 12 1/2" 4 12×φ18 38×φ16 106 Numa100-318
330 13" 4 14×φ18 42×φ16 112 Numa100-330
Numa120 305 12" 4 12×φ18 36×φ16 152 NUMA120-305
311 12 1/4" 4 12×φ18 36×φ16 158 NUMA120-311
330 13" 4 16×φ18 42×φ16 165 NUMA120-330
356 14" 4 16×φ19 48×φ16 178 NUMA120-356
381 15" 4 16×φ19 48×φ18 195 NUMA120-381
Numa125 305 12" 4 12×φ18 36×φ16 170 NUMA125-305
311 12 1/4" 4 12×φ18 36×φ16 173 NUMA125-311
330 13" 4 16×φ18 42×φ16 182 NUMA125-330
356 14" 4 16×φ19 48×φ16 191 NUMA125-356
381 15" 4 16×φ19 48×φ18 200 NUMA125-381


 


 

Shank can be available:

 

1. Diameter 64mm-70mm shank Bulroc BR1

2. Diameter 70mm-95mm shank Halco MACH20, Bulroc BR2

3. Diameter 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3

4. Diameter 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4

5. Diameter 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5

6. Diameter 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6

7. Diameter 203mm-330mm shank COP84, DHD380, SD8, QL80

8. Diameter 254mm-380mm shank SD10, Numa100

9. Diameter 305mm-508mm shank DHD1120, SD12, N120, N125

10. Diameter 405mm-864mm shank SD15, SD18

11. VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...

 

 

We can also provide related products DTH hammers, ODEX system, symmetric systems, slide block drilling systems, etc and DTH drilling pipes for various thread API REG, API IF, BECO, etc.

 

ROSCHEN DTH Bits Specifications
Hammer Size Bits diameter Shank ROSCHEN CODE
Metric Inch
1" 64mm-70mm 2 1/2"-2 3/4" BR1 ROS 11
2" 70mm-95mm 2 3/4"-3 3/4" MACH20/BR2 ROS 22
3" 90mm-102mm 3 1/2"-4" COP32/COP34/MACH303 ROS 32
M30/DHD3.5/BR3 ROS 34
4" 105mm-152mm 4 1/8"-6" COP44/DHD340/MACH44 ROS 42
SD4/M40/QL40 ROS 44
5" 133mm-165mm 5 1/4"-6 1/2" COP54/DHD350R/MACH50 ROS 52
SD5/M50/QL50/BR5 ROS 54
6" 152mm-254mm 4 1/8"-10" COP64/DHD360/SD6 ROS 62
M60/QL60/Bulroc BR6 ROS 64
8" 203mm-330mm 8"-13" COP84/DHD380/SD8 ROS 82
QL80/M80/M85 ROS 84
10" 254mm-380mm 10"-15" SD10 ROS 100
NUMA100
12" 305mm-508mm 12"-20" DHD1120/SD12 ROS 120
NUMA120/NUMA125
Notes: Any special size of DTH bits will be available by requests.
Metzke, Remet thread is available!




 

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
M80/M85
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: Any special size of DTH bits will be available by requests.
Metzke, Remet thread is available!




 

Quality warranty:

Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.

Package:
Using ply-wooden cases and pallet for package to protect the products and avoid the damagement during transportation. Also we can customize package according to your special requests.

Production time:
Generally need 10-15 days

Transportation:
By air, By Express or By sea according to your requests.




 


FAQ



The information about dth drill bit you may like to know before order:

1. Methods of Payment:
T/T (Telegraphic Transfer) or Western Union or L/C at sight


2. Handling time for an order
Based on order quantity, normally it takes 20 days for production.
in 3 working days after receiving the advance payment


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:
a. Our sales team will response for your question within 24 hours (Holidays Excluded)
b. Technical Support will be available in any time


6. Quality & Service:
A. There will be strict inspection and testing for every order before shipping out.
B. Our sales team and Technical Support will response for your question within 24 hours through skype: ROSCHEN.TOOL and WhatsApp/Wechat: +86-13764195009
C. Free replacement will provide once the failure confirmed caused or our product quality; Not satisfied with a refund.




 

For more information, please contact:




 

ROSCHEN INC.
ROSCHEN GROUP LIMITED
ROSCHEN HOLDINGS LIMITED

Skype: ROSCHEN.TOOL , ROSCHEN_GROUP

WeChat: +86-137 6419 5009 ; +86-135 8585 5390

WhatsApp: +86-137 6419 5009 ; +86-135 8585 5390

Email: roschen@roschen.com ; roschen@roschen.net

 

Website: http://www.roschen.com ; http://www.roschen.net

http://www.roschen.cn ; http://www.roschendrill.com

http://www.roschenmining.com ; http://www.roschendrilling.com
http://www.roschengroup.com

 

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