Halco Reverse Circulation Drill Bits For Mining Exploration Core Sampling
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.
| RC400 HAMMER DRILL BITS |
| Bit | Diameter | Face | Buttons | Weight |
| Part No | mm | inch | Design | Type | Qty | (kgs) |
| 653469 | 127 | 5 | Drop Centre | Domed | 12 x 16 mm / 2 x 13 mm | 14.1 |
| 653470 | 130 | 5 1/8 | Drop Centre | Domed | 12 x 16 mm / 2 x 13 mm | 14.1 |
| 653471 | 133 | 5 1/4 | Drop Centre | Domed | 12 x 16 mm / 4 x 13 mm | 14.3 |
| 653472 | 136 | 5 3/8 | Drop Centre | Domed | 12 x 16 mm / 4 x 13 mm | 14.3 |
| 653486 | 189 | 7 1/2 | Drop Centre | Domed | 16 x 16 mm / 10 x 13 mm | 36.5 |
| SHROUDS |
| Part No | Outside Diameter |
| 604602 | 125 mm |
| 604603 | 128 mm |
| 604604 | 131 mm |
| 604605 | 134 mm |
| 601423 | 187 mm |
| RC500 HAMMER DRILL BITS |
| Bit | Diameter | Face | Buttons | Weight |
| Part No | mm | inch | Design | Type | Qty | (kgs) |
| 653543 | 137 | 5 3/8 | Drop Centre | Domed | 12 x 16 mm / 2 x 13 mm | 27.4 |
| 653544 | 140 | 5 1/2 | Drop Centre | Domed | 12 x 16 mm / 2 x 13 mm | 27.6 |
| 653545 | 143 | 5 5/8 | Drop Centre | Domed | 12 x 16 mm / 4 x 13 mm | 27.8 |
| 653546 | 146 | 5 3/4 | Drop Centre | Domed | 12 x 16 mm / 4 x 13 mm | 28 |
| 653487 | 189 | 7 1/2 | Drop Centre | Domed | 16 x 16 mm / 10 x 13 mm | 40 |
| SHROUDS |
| Part No | Outside Diameter |
| 604624 | 135 mm |
| 604625 | 138 mm |
| 604626 | 141 mm |
| 604627 | 144 mm |
| 601425 | 187 mm |
| 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
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Halco Reverse Circulation Drill Bits Reverse Circulation Hammer For Mining Exploration Core Sampling Images
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