Boart Longyear Down the Hole (DTH) Percussive Bits
ROSCHEN's DTH hammer bits has Maximum Performance & Durability
ability, they can compare with Boart Longyear Down the Hole (DTH)
Percussive Bits
| 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: |
| Metzke, Remet thread is available! |
| Any special typ shank of DTH Hammer will be available by requests. |
Down the Hole (DTH) Percussive Bits
Roschen’s robust DTH bits are designed to extend bit life and
in-hole drilling time with hardened premium steel alloy and
tungsten carbide bits. Optimized flushing holes and multiple face
designs provide the ideal design for each application. Roschen’s
DTH Bits use shank and spline configurations matching most
industry-trusted DTH hammers.
Maximum Performance & Durability
Roschen’s DTH bits are the highest quality in the industry,
providing long life and reliability. The bits utilize premium
hardened steel alloy for the bit body and premium tungsten carbide
button inserts to provide exceptional durability and more time down
the hole. The hardened steel properties improve shank wear
resistance and manage bit body wash. The Tungsten carbides allow
for multiple re-sharpenings and overall longer bit life.
Multiple Shank Designs
Roschen offers several different shank configurations for use with
the most popular industry DTH hammers. This includes different
spline counts, diameters and lengths. The bits include foot valves
where required.
Optimized Product Offering
Roschen has developed bits with a wide range of gauge diameters,
various face configurations, and flushing hole geometries to
provide the right design for the application need. Utilizing long
standing bit design strategies, the new offering is sure to provide
the right bit for any specific application.
Product Features:
1. Premium hardened steel alloy
2. Premium tungsten carbide buttons
3. Optimized flushing holes
4. Multiple shank and face designs
5. Various face and spline configurations
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
