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6 inch DTH bits Down The Hole Drilling For Mining Blast Hole Drilling

6 inch DTH bits Down The Hole Drilling For Mining Blast Hole Drilling
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Item: DTH Hammer Bits
Name: DTH Hammer Button Bits
Model: DTH Hammer Bits
DTH Bits: DTH Hammers & Drilling Bits
Drill: Down Hole Hammer Drill
Model No: Down The Hole Hammer Bits
DTH Tools: Down The Hole Tooling
Bits Supplier: Down The Hole Bits Supplier
Bits Manufacturer: Down The Hole Bits Manufacturer
Chinese Bits: Down The Hole Bits Supplier In China
Mitsubishi Bits: Down The Hole Bits In Japan
Bits Sales: Down The Hole Bits Manufacturer In China
Drilling: Down Hole Hammer Drilling
Sales: Down The Hole Bits For Sales
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6inch DTH bits


DTH bits for mining


6inch DTH Hammer

Basic Infomation
Place of Origin: China
Brand Name: ROSCHEN
Certification: ISO
Model Number: 6" DTH hammer bits (152mm- 171mm)
Payment & Shipping Terms
Packaging Details: wooden packaging
Supply Ability: 1000pcs per month
Product Description


6" DTH bits Down The Hole Drilling For Mining Blast Hole Drilling



Detailed Product Description: 

High pressure mining blast hole drill bits   


Roschen DTH drill bits are also CAD designed, CNC manufactured for perfect bits body, and multiple heat-treated to enhance hardness, surface-compressed for fatigue resistance, all thus to extend the product life for maximum wear and performance in the toughest of drilling conditions.


1. Applicable hard,very hard and medium soft rock formations.
2. Use the most high quality carbides
3. Can match to the original hammer   
4. Strict quality warranty and compensation rules
5. Good flushing effect to ensure high drilling rate
6. Reliable quality, long service life, rare abnormal breakage during service life.


Roschen supply top quality and cheap price DTH Bits which diameters ranging are between 76mm to 500mm

DTH bit face design: Flat face, convex face, concave face 

DTH button bit tungsten carbides insert style: Hemi-spherical, Parabolic, and Ballistic. 

Roschen DTH hammer bits shank are suitable for:  

  1. DHD340A, DHD350R, DHD360, DHD380, DHD112; 
  2. Cop32, Cop34, Cop44, Cop54, Cop64, Cop84; 
  3. Mission 40, Mission 50, Mission 60, Mission80; 
  4. SD4, SD5, SD6, SD8, SD10, SD12; 
  5. Numa100, Numa120, Numa125
  6. QL40, QL50, QL60, QL80, March120, etc.

6 inch DTH bits Down The Hole Drilling For Mining Blast Hole Drilling 0

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
12" 305mm-508mm 12"-20" DHD1120/SD12 ROS 120
Metzke, Remet thread is available!
Any special size of DTH bits will be available by requests.


For more information, please contact:



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

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

Email: ;

Website: ; ; ;


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