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

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.

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 BitsBit Dia.No.GaugeFrontWeightPart No.
mminchAir HolesButtonsButtons(Kgs)
Numa10025410"312×φ1820×φ1690Numa100-254
30512"412×φ1836×φ18102Numa100-305
31112 1/4"412×φ1836×φ16104Numa100-311
31812 1/2"412×φ1838×φ16106Numa100-318
33013"414×φ1842×φ16112Numa100-330
Numa12030512"412×φ1836×φ16152NUMA120-305
31112 1/4"412×φ1836×φ16158NUMA120-311
33013"416×φ1842×φ16165NUMA120-330
35614"416×φ1948×φ16178NUMA120-356
38115"416×φ1948×φ18195NUMA120-381
Numa12530512"412×φ1836×φ16170NUMA125-305
31112 1/4"412×φ1836×φ16173NUMA125-311
33013"416×φ1842×φ16182NUMA125-330
35614"416×φ1948×φ16191NUMA125-356
38115"416×φ1948×φ18200NUMA125-381


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 SizeBits diameterShankROSCHEN CODE
MetricInch
1"64mm-70mm2 1/2"-2 3/4"BR1ROS 11
2"70mm-95mm2 3/4"-3 3/4"MACH20/BR2ROS 22
3"90mm-102mm3 1/2"-4"COP32/COP34/MACH303ROS 32
M30/DHD3.5/BR3ROS 34
4"105mm-152mm4 1/8"-6"COP44/DHD340/MACH44ROS 42
SD4/M40/QL40ROS 44
5"133mm-165mm5 1/4"-6 1/2"COP54/DHD350R/MACH50ROS 52
SD5/M50/QL50/BR5ROS 54
6"152mm-254mm4 1/8"-10"COP64/DHD360/SD6ROS 62
M60/QL60/Bulroc BR6ROS 64
8"203mm-330mm8"-13"COP84/DHD380/SD8ROS 82
QL80/M80/M85ROS 84
10"254mm-380mm10"-15"SD10ROS 100
NUMA100
12"305mm-508mm12"-20"DHD1120/SD12ROS 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 SizeBit ShankROSCHEN CodeConnection ThreadSuitable bitWorking pressureAir consumption
2"BR2ROS 11 ROS 22RD50 box¢70-¢90mm0.7-1.75Mpa0.7Mpa4.5m3/min
1.0Mpa4m3/min
1.4Mpa5m3/min
3"DHD3.5ROS 32API 2 3/8" Reg¢90-¢110mm1.0-1.5Mpa1.0Mpa4.5m3/min
COP32/COP34
M301.5Mpa9m3/min
4"DHD340ROS 34API 2 3/8" Reg¢110-¢135mm1.0-2.5Mpa1.0Mpa6m3/min
COP44
QL40
SD41.8Mpa10m3/min
M402.4Mpa15m3/min
5"DHD350ROS 52 ROS 54API 2 3/8"Reg/API 3 1/2" Reg¢135-¢155mm1.0-2.5Mpa1.0Mpa9m3/min
COP54
QL50
SD51.8Mpa15m3/min
M502.4Mpa23m3/min
6"DHD360ROS 62 ROS 64API 3 1/2" Reg¢155-¢190mm1.0-2.5Mpa1.0Mpa10m3/min
COP64
QL60
SD61.8Mpa20m3/min
M602.4Mpa28.5m3/min
8"DHD380ROS 82 ROS 84API 4 1/2" Reg¢195-¢254mm1.0-2.5Mpa1.0Mpa15m3/min
COP84
QL801.8Mpa26m3/min
SD82.4Mpa34m3/min
M80/M85
10"SD10ROS 100API 6 5/8" Reg¢254-¢311mm1.0-2.5Mpa1.0Mpa22m3/min
Numa1001.8Mpa40m3/min
ROS 1002.4Mpa55m3/min
12"DHD1120ROS 120API 6 5/8" Reg¢305-¢445mm1.0-2.5Mpa1.0Mpa30m3/min
SD121.8Mpa56m3/min
Numa1202.4Mpa78m3/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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