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| Place of Origin | Germany |
| Brand Name | ROSCHEN |
| Certification | ISO,CE |
| Model Number | RC 50 |
NUMA PATRIOT RC50 RC Hammer Drill String safely collect at Surface cuttings
NUMA PATRIOT RC50
DRASTICALLY IMPROVES HOLE CLEANING AND OVERALL DRILLING SPEED
Roschen has led the industry in innovative design of reverse circulation hammers and bits. These RC products have the unique ability to bring all cuttings up the center of the hammer and drill string to be safely collected at the surface, which is essential in today's environmentally conscious society.
Recently, we have engineered a new, breakthrough RC bit design that drastically improves hole cleaning and overall drilling speed. By deepening the channel ways and side exhausting, the new design is able to efficiently flush more air over the bit face resulting in a greater recovery and accurate down hole sample at the surface - all at a much faster drilling rate.
Currently, our RC hammer and bit line has the capability to drill holes from 4-3/4" to 36" (121 - 914 mm) in diameter, with more designs in the works. As with our conventional line, all RC products provide incredible performance and reliability in tough drilling applications around the world.
Standing Up To The Toughest Conditions
Currently, our RC hammer and bit line has the capability to drill holes from 4-3/4″to 36″(121 – 914 mm) in diameter, with more designs in the works. As with our conventional line, all RC products provide incredible performance and reliability in tough drilling applications around the world.
Since the purchase of Numa in 1985 by current management, Numa has dedicated itself to becoming the leading designer and manufacturer of down hole hammers and bits worldwide. Word of Numa`s extremely reliable on-the-job performance has quickly spread throughout the world. Today, over 45% of our sales are overseas, with Numa hammers and bits at work on tough land and marine drilling sites in over 105 countries.
RC Hammer 4.5", Remet thread, RE545
RC bits 5"(127MM)
Top sub for 4" drill rod remet
RC drilling 4" Hammer Metzke Thread, RE542, Remet thread
RC drilling 4" Hammer bit 5.1"
Shroud
Top Sub
Sample Tube
| ROSCHEN RC Hammers Specifications | |||||||||
| Hammer Size | Hammer | Bit Shank | ROSCHEN Code | Hole Range (mm) | External Diameter (mm) | Length (without bit) mm | Weight (N.W.) kgs | Connection Thread | Working Pressure |
| 3" | RE531 | RE531 | ROS RC 30 | 84-100 | 81 | 1069 | 29 | 3“ Remet | 1.0-3.0Mpa |
| 3" | RE035 | RE035 | ROS RC 35 | 84-105 | 85 | 1075 | 35 | 3“ Remet | 1.0-3.0Mpa |
| 4 1/2" | RE004 | RE004 | ROS RC 40 | 111-127 | 107 | 1252 | 52 | 3.5"-4" Remet 4" Metzke | 1.0-3.0Mpa |
| 4 1/2" | RE540 | RE540 | ROS RC 45 | 111-127 | 107 | 1252 | 52 | 3.5"-4" Remet 4" Metzke | 1.0-3.0Mpa |
| 5" | RE040 | RE040 | ROS RC 50 | 113-130 | 109.5 | 1191 | 57 | 3.5"-4" Remet 4" Metzke | 1.0-3.0Mpa |
| 5" | RE542 | RE542 | ROS RC 50 | 113-130 | 109.5 | 1191 | 57 | 3.5"-4" Remet 4" Metzke | 1.0-3.0Mpa |
| 5" | RE543 | RE543 | ROS RC 50 | 120-135 | 116 | 1191 | 62 | 3.5"-4" Remet 4" Metzke | 1.0-3.0Mpa |
| 5" | RE545 | RE545 | ROS RC 50 | 122-135 | 117.5 | 1261 | 65 | 4"-4.5"Remet 4"-4.5" Metzke | 1.5-3.5Mpa |
| 5 1/2" | RE547 | RE547 | ROS RC 55 | 130-146 | 124.5 | 1270 | 71 | 4.5"Remet 4.5" Metzke | 1.5-3.5Mpa |
| 5 1/2" | RE052 | RE052 | ROS RC 55 | 130-146 | 124.5 | 1270 | 71 | 4.5"Remet 4.5" Metzke | 1.5-3.5Mpa |
| 5 3/4" | RE054 | RE054 | ROS RC 55 | 130-146 | 124.5 | 1270 | 85 | 4.5"Remet 4.5" Metzke | 1.5-3.5Mpa |
| 5 3/4" | RE140 | RE140 | ROS RC 55 | 130-146 | 124.5 | 1270 | 85 | 4.5"Remet 4.5" Metzke | 1.5-3.5Mpa |
| 5" | PR40 | PR40 | ROS RC 50 | 124-142 | 120.5 | 1362 | 80.5 | 3.5"-4.5" Remet 3.5"-4.5" Metzke | 1.5-3.5Mpa |
| 5 1/2" | PR52 | PR52 | ROS RC 55 | 126-142 | 121 | 1227 | 68.5 | 4"-4.5"Remet 4"-4.5" Metzke | 1.5-3.5Mpa |
| 5 1/2" | PR52R | PR52/PR52R | ROS RC 55 | 130-146 | 124 | 1225 | 65 | 4"-4.5"Remet 4"-4.5" Metzke | 1.5-3.5Mpa |
| 5 1/2" | PR54 | PR54 | ROS RC 55 | 135-150 | 130 | 1294 | 84.5 | 4.5"Remet 4.5" Metzke | 1.5-3.5Mpa |
| 6" | MX5456 | MX5456 | ROS RC 60 | 136-150 | 132 | 1362 | 90 | 4.5"Remet 4.5" Metzke | 1.5-3.5Mpa |
| 6"~6 1/2" | RC62/RC62R | RC62/RC62R | ROS RC 65 | 152-190 | 146 | 1320 | 110 | As Request | 1.5-3.5Mpa |
| 8" | RC82/RC82R | RC82/RC82R | ROS RC 80 | 190-250 | 180 | 1395 | 185 | As Request | 1.5-3.5Mpa |
| 10" | RC100/RC100R | RC100/RC100R | ROS RC 100 | 250-370 | 240 | 1528 | 328 | As Request | 1.5-3.5Mpa |
| Notes: | |||||||||
| Metzke, Remet thread is available! | |||||||||
| Any special type shank of RC Hammer will be available by requests. | |||||||||
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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
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