CIR/DHD/Cop/Mission/SD/Br High Air Pressure Hard Rock Drilling Down The Hole Button Bits/DTH Hammer Drill Bit for Mining & Water Drilling & Quarrying
CIR/DHD/Cop/Mission/SD/Br High Air Pressure Hard Rock Drilling Down The Hole Button Bits/DTH Hammer Drill Bit for Mining & Water Drilling & Quarrying
| Basic Info. | |
| Model NO. | DHD350R-152 |
| Plant | New Design DTH Drilling Hammers and Button Bits |
| Transport Package | Wooden Box |
| Specification | standard |
| Trademark | ROSCHEN |
| HS Code | 84314320 |
| Procesing | Forged processing |
| Button materials | Tungsten carbide inserts |
Product Description
DTH Hammer Bit DHD350R-152
Shank types: DHD3.5, DHD340A, DHD350R, DHD360, DHD380.
DTH rock drill bits hole diameter: 3'', 4'', 5'', 6'', 8''(85mm-305mm)
DHD shank DTH drill bit with flat face, 8 dome & 8 semi-ballistic carbide buttons for blasting bore holes, water well drilling.
| CODE NO. | DHD350R-152 |
| Shank type | DHD |
| Diameter | 152mm |
| Air Holes Number | 2 |
| gauge buttons | 8*17 |
| Face buttons | 8*14 |
| Bit face type | Flat |
| carbide design | Dome/semi-ballistic |
ROSCHEN is rock drilling tools manufacturer, we produce a various range of DTH hammer bits with DHD shanks type for a wide range of hole sizes, which have been designed to match all conceivable applications for water well industries, mining and construction
Flat Face
An universal design, especially for hard and abrasive rock formation. Typically, flat face with hemispherical buttons design is the most popular choice. This kind of face shape is suitable for hard to very hard and abrasive rock formations in application with high air pressure. Good penetration rates an resistance to steel wash.
Dome/Hemispherical Buttons
Universal buttons for all rock formation, best suited to hardest and very abrasive rock formation.
Semi-Ballistic/Parabolic Buttons
Excellent penetration rate, but only suited to medium hard and not so very abrasive rock formation.
ROSCHEN DTH Bit features
1. Deliver maximum energy to drilling bit, fast drilling speed and low air consumption due to inner structure of HD series DTH hammer designed according to newest rock drilling theory.
2.Smooth performance and long service life of DTH bits due to high quality alloy steel materials and advanced processing technology adapted.
3.Low problem rate and easy to maintenance due to simple , reliable and easy assemble and disassemble inner structure of DTH bits.
4.Easy to depart bit from hammer due to multi-head thread connection chuck and cylinder of hammer.
5. Can connect well with DTH bit and dill pipe manufactured by Atlas Copco and Sandvik.
Total Product specifications:
| For 3" hammer | Bit Dia. | No. Air Holes | Guage Buttons | Front Buttons | Weight(kgs) | Part No. | |
| DTH bits shank | mm | inch | |||||
| COP32 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 4.2 | COP32-85 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4.5 | COP32-90 | |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.7 | COP32-95 | |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 5 | COP32-100 | |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.3 | COP32-105 | |
| BR3 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 3.8 | BR3-85 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4 | BR3-90 | |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.3 | BR3-95 | |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 4.8 | BR3-100 | |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.2 | BR3-105 | |
| DHD3.5/COP34 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 4.2 | DHD35-85 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4.5 | DHD35-90 | |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.8 | DHD35-95 | |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 5 | DHD35-100 | |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.5 | DHD35-105 | |
| QL30 | 85 | 3 11/32" | 2 | 6×φ13 | 4×φ12 | 4.5 | QL30-85 |
| 90 | 3 1/2" | 2 | 6×φ14 | 4×φ12 | 4.7 | QL30-90 | |
| 95 | 3 3/4" | 2 | 6×φ14 | 4×φ13 | 4.9 | QL30-95 | |
| 100 | 3 7/8" | 2 | 8×φ12 | 6×φ12 | 5 | QL30-100 | |
| 105 | 4 1/8" | 2 | 8×φ13 | 6×φ12 | 5.5 | QL30-105 | |
ROSCHEN hammer bit technical data:
| ROSCHEN hammer bit technical data: | ||||
| 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. | ||||
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
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 15-25 days
Transportation:
By air, By Express or By sea according to your requests.
ROSCHEN Manufacturing workshop 
FAQ
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:
ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschendrill.com
http://www.roschenmining.com
http://www.roschendrilling.com
http://www.explorationcoredrilling.com
http://www.roschen.net
http://www.roschen.cn
http://www.roschen.com
