NUMA Series DTH Button Bit
NUMA Series DTH Button Bit
NUMA Series DTH Button Bit
Product Item：091
Name: NUMA Series DTH Button Bit
Shank Type: NUMA100, NUMA120, NUMA 125
Bit Diameter: 254mm-508mm
Bit Face: Flat Face, Convex Face, Concave Face, Drop Center, Double Gauge.
Category：NUMA Shank DTH Bit
Roschen supply lots of grades NUMA DTH Button Bit, they can be chosen according to different applications. Both soft, medium-hard, and hard rocks, Our DTH Bit could have a good performance.
Shank Type: NUMA100, NUMA120, NUMA 125
Bit Diameter: 254mm-508mm
Bit Face: Flat Face, Convex Face, Concave Face, Drop Center, Double Gauge.
| 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: | ||||
| Any spline, shank is available! | ||||
| Any special size of DTH bits will be available by requests. | ||||
| DTH Hammer Bits with NUMA shanks | ||||
| Shank Type | Diameter in mm | Spline NO. | Gauge Buttons | Face Buttons |
| 10" NUMA Shank DTH Bit | 254 | 10 | 12*18mm | 21*16mm |
| 305 | 10 | 12*18mm | 36*16mm | |
| 311 | 10 | 12*18mm | 36*16mm | |
| 318 | 10 | 12*18mm | 38*16mm | |
| 330 | 10 | 14*18mm | 42*16mm | |
| Shank Type | Diameter in mm | Spline NO. | Gauge Buttons | Face Buttons |
| 12" NUMA Shank DTH Bit | 305 | 12 | 12*18mm | 36*16mm |
| 310 | 12 | 12*18mm | 36*16mm | |
| 330 | 12 | 16*18mm | 42*16mm | |
| 355 | 12 | 16*19mm | 48*16mm | |
| 380 | 12 | 16*19mm | 48*16mm | |
For more information, pls contact us:
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat: +86-137-6419 5009
WhatsApp: +86-137-6419 5009
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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
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http://www.roschendrilling.com
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http://www.roschen.net
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