China Numa125 305mm, Numa125 311mm, Numa125 330mm, Numa125 356mm, Numa125 381mm DTH Bits for Drilling Water Well, Groundwater Wells, Find details about China Numa Hammers and Button Bits, Numa 120 Numa125 DTH Hammers and Bits from Numa125 305mm, Numa125 311mm, Numa125 330mm, Numa125 356mm, Numa125 381mm DTH Bits for Drilling Water Well, Groundwater Wells
For 12" hammer DTH bits shank | Bit Dia. | No. Air Holes | Gauge Buttons | Front Buttons | Weight (Kg) | Part No. | |
mm | inch | ||||||
DHD1120 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 152 | DHD1120-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 157 | DHD1120-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 165 | DHD1120-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 178 | DHD1120-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 198 | DHD1120-381 | |
SD12 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 156 | SD12-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 168 | SD12-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 180 | SD12-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 191 | SD12-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 200 | SD12-381 | |
NUMA120 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 152 | NUMA120-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 158 | NUMA120-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 165 | NUMA120-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 178 | NUMA120-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 195 | NUMA120-381 | |
NUMA125 | 305 | 12" | 4 | 12×φ18 | 36×φ16 | 170 | NUMA125-305 |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 173 | NUMA125-311 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 182 | NUMA125-330 | |
356 | 14" | 4 | 16×φ19 | 48×φ16 | 191 | NUMA125-356 | |
381 | 15" | 4 | 16×φ19 | 48×φ18 | 200 | NUMA125-381 |
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. |