China SD High Air Pressure Down The Hole DTH Bits, Find details about China SD Series High Air, High Air Pressure DTH Drilling from SD High Air Pressure Down The Hole DTH Bits
SD shank Bits | Bit Dia. | No Air Holes | Guage Buttons | Front Buttons | Weight(kgs) | Part No. | |
mm | inch | ||||||
SD4 | 105 | 4 1/8" | 2 | 6×φ14 | 5×φ13 | 9 | SD4-105 |
110 | 4 1/4" | 2 | 7×φ13 | 6×φ13 | 9.5 | SD4-110 | |
115 | 4 1/2" | 2 | 7×φ14 | 6×φ13 | 9.8 | SD4-115 | |
120 | 4 3/4" | 2 | 8×φ14 | 6×φ14 | 11.5 | SD4-120 | |
127 | 5 | 2 | 8×φ14 | 7×φ14 | 12.3 | SD4-127 | |
SD5 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | SD5-130 |
140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16 | SD5-140 | |
146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | SD5-146 | |
152 | 6" | 2 | 8×φ18 | 8×φ14 | 17 | SD5-152 | |
165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19 | SD5-165 | |
SD6 | 152 | 6" | 2 | 8×φ16 | 8×φ16 | 26 | SD6-152 |
165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 28 | SD6-165 | |
178 | 7" | 2 | 8×φ18 | 8×φ18 | 31 | SD6-178 | |
190 | 7 1/2" | 3 | 9×φ18 | 9×φ16 | 34 | SD6-190 | |
203 | 8" | 3 | 9×φ18 | 9×φ18 | 36 | SD6-203 | |
SD8 | 195 | 7 11/16 | 3 | 9×φ18 | 9×φ16 | 32 | SD8-195 |
203 | 8" | 3 | 9×φ18 | 9×φ18 | 41 | SD8-203 | |
216 | 8 1/2" | 2 | 10×φ18 | 12×φ16 | 49 | SD8-216 | |
254 | 10" | 3 | 11×φ18 | 17×φ16 | 71 | SD8-254 | |
305 | 12" | 4 | 12×φ18 | 29×φ16 | 95 | SD8-305 | |
SD10 | 254 | 10" | 3 | 12×φ18 | 20×φ16 | 108 | SD10-254 |
305 | 12" | 4 | 12×φ18 | 36×φ18 | 125 | SD10-305 | |
311 | 12 1/4" | 4 | 12×φ18 | 36×φ16 | 130 | SD10-311 | |
318 | 12 1/2" | 4 | 12×φ18 | 38×φ16 | 142 | SD10-318 | |
330 | 13" | 4 | 16×φ18 | 42×φ16 | 155 | SD10-330 | |
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 |
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. |