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115mm mission 40 well drilling DTH hammer button drill bit
DTH Hammer Bits
Roschen Hammer Bits or DTH Button Bits range in size from 2" hole
diameter upwards (50.1mm) to 36” (914.4mm). Roschen always supply
stocks DTH Hammers and DTH Button bits for all major DTH Hammer
brands and shanks.
Roschen can open up the flushing holes to provide hammer bits that
can be used in reverse circulation drilling. Customized Hammer
Bits, Flat Faced Hammer Bits, Convex Hammer Bits, Drop Center
Hammer Bits, Concave Hammer Bits, and all kinds of exceptional
custom drilling tools are offered at Roschen group limited.
Advantages:
1. Using higher grade carbides for longer life;
2. Minimizes hole erosion in fragile formations
3. Drills faster through soft formations with less blockages
4. Drills straighter through consolidated and unconsolidated
formations
DTH Hammer Bits key face types:
1. Flat Faced Hammer Bit
These hammer bits are excellent for drilling in medium to hard
formations. These hammer bits maintain average hole straightness
but have an excellent penetration rate.
2. Medium to hard ground formations are no problem for this DTH Hammer
Bit. The DTH bit keeps average hole straightness but drills at an
excellent speed.
3. These DTH Hammer Bits are great for drilling through medium to
hard formations. Drop Center Hammer Bits have excellent hole
straightness with an average drilling rate of penetration.
4. Concave Type Hammer Bit
Concave Hammer bits are ideal for drilling through medium to hard
formations. These DTH hammer bits are known to keep an extremely
straight hole with an average rate of penetration.
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: | ||||
Metzke, Remet thread is available! | ||||
Any special size of DTH bits will be available by requests. |
Our dth drill bits advantages:
1.High quality:We are known as chinese top 3 drill bits factory.
2.Competitive price:Cheap price because of direct factory price.
3.Problems solve ability:This ability comes from rich experiences of drill bits industry.
4.Fast delivery time:usually it takes 25 days for production.only 2 or 3 days if we have stock of your request size.
5.Best quality control:We have our own experienced QC team,there will be strict inspection and testing for every order before shipping out.
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