Mission 80 DTH bit 182mm Mission 80 DTH hammer for water well drilling in Western Australia

DOWN-THE-HOLE BITS                     Roschen DTH drill bits are fitted with our cemented carbide inserts, which provide you with superior life and drilling productivity.The Roschen DTH button bit designs are well known and

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Roschen DTH drill bits are fitted with our cemented carbide inserts, which provide you with superior life and drilling productivity.

The Roschen DTH button bit designs are well known and extensively used around the world. Whatever conditions you're dealing with, our drill bits make the job easier. They are fitted with Roschen's proprietary cemented carbide buttons, which are designed to drill further. The drill bit bodies are made from precision hardened nickel molybdenum steel, with a compound curve shape for faster and smoother cutting and easier removal of cuttings.

The bits in the new range have an optimized head length with maximized steel support for the cemented carbide buttons, deep face grooves for excellent flushing and an aggressive cutting structure.

1. Proprietary Sandvik carbide ensures high quality and performance
2. Carbide grade options for long life in challenging applications
3. Face designs to maximize penetration rate and tool life
4. Optimized flushing designs to aid in cuttings removal and reduce wear

Roschen Premium Quality Button Bits:

Roschen Button Bits range covers hole diameter 3" and upwards upto 24". Roschen DTH Button Bits are available for all Major DTH Hammer Brands.  

DHD-3.5, Cop-34, M-30, A34-15
Panther, DHD -14, DH4, DHD-4,DHD-34OA, Cop-42, Cop-44, Mission 40, SD-4, QL-4, Secoroc-4", Numa-4
DHD-16, DHD-160, DHD-360, QL-60, Mission 60, SD-6, Cop-62,Cop-64,Secoroc-6", Numa-6"
SD-8, DHD-380, COP-84, SECOROC-8", NUMA-8, Mission 80
SD-10, NUMA-100
SD-12, NUMA-120

Special Features:

1. Computer analysis and laboratory trials have been used to optimize the number of buttons as well as their size and positioning throughout the bit front.
2. Carbide has been carefully designed to minimize the risk of button loss and button failure
3. The design of the bit body and the frontal sludge grooves provides uniform flushing with reduces steel wash on both bit and the hammer.
4. Material processes and multiple heat treatment have focussed on achieving maximum resistance to fatigue failure.
5. Special bit designs such as Concave and Convex/CB are available on request.

Product specifications:

For 8" hammer
DTH bits shank
Bit Dia.No. Air HolesGuage ButtonsFront ButtonsWeight(kgs)Part No.
DHD380/COP841957 11/1639×φ189×φ1632DHD380-195
2168 1/2"210×φ1812×φ1649DHD380-216
SD81957 11/1639×φ189×φ1632SD8-195
2168 1/2"210×φ1812×φ1649SD8-216
QL801957 11/1639×φ189×φ1632QL80-195
2168 1/2"210×φ1812×φ1649QL80-216
Mission801957 11/1639×φ189×φ1635M80-195
2168 1/2"210×φ1812×φ1654M80-216

ROSCHEN hammer bit technical data:
ROSCHEN DTH Bits Specifications
Hammer  SizeBits diameterShankROSCHEN CODE
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
12"305mm-508mm12"-20"DHD1120/SD12ROS 120
Metzke, Remet thread is available!
Any special size of DTH bits will be available by requests.

Shank can be available:

1), Dia. 64mm-70mm shank Bulroc BR1
2), Dia. 70mm-95mm shank Halco MACH20, Bulroc BR2
3), Dia. 90mm-102mm shank COP32, COP34, Halco MACH303, M30, DHD3.5, Bulroc BR3
4), Dia. 105mm-152mm shank COP44, DHD340, Halco MACH44, SD4, M40, QL40, Bulroc BR4
5), Dia. 135mm-165mm shank COP54, DHD350R, COP54, Halco MACH50, SD5, M50, QL50, Bulroc BR5
6), Dia. 152mm-254mm shank COP64, DHD360, SD6, M60, QL60, Bulroc BR6
7), Dia. 203mm-330mm shank COP84, DHD380, SD8, QL80
8), Dia. 254mm-380mm shank SD10, Numa100
9), Dia. 305mm-508mm shank DHD1120, SD12, N120, N125
10), Dia. 405mm-864mm shank SD15, SD18
11), VKP80, VKP95, CIR90, CIR100, CIR110, CIR150, CIR200...

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

Product photos

Mission 80 DTH Bits 182mm Mission 80 DTH Hammer for Western Australian Water Well Drilling

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.

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 15-25 days

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

Mission 80 DTH Bits 182mm Mission 80 DTH Hammer for Western Australian Water Well Drilling

Mission 80 DTH Bits 182mm Mission 80 DTH Hammer for Western Australian Water Well Drilling


Q: Are you a manufacturer or trading company ?
A: We are a specialized manufacturer.

Q: How about the delivery terms ?
1. Payment: T/T, L/C, Western Union, Paypal, 30% deposit in advance and rest before delivery.
2. Min. order quantity: 1 piece.
3. Transportation: By DHL/TNT/Fedex express, air, sea, train.

Q: How about discount ?
A: Price is based on products and order quantity.

Q: Do you accept sample order?
A: Yes sure, please contact us for details.

Q: How about your after-sales service?
A: As a manufacturer, we offer promt technology support for all problems and questions. Besides, we accept goods return or replace for quality problem.

For more information, please contact:

Website: http://roschen.en.made-in-china.com ; http://roschen.en.made-in-china.com

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