China Ql50 Down The Hole DTH Rock Drill Bit, Find details about China DTH Bit-Ql50-152, DTH (down the hole) Drill Bits from Ql50 Down The Hole DTH Rock Drill Bit
For 5" hammer DTH bits shank | Bit Dia. | No. Air Holes | Gauge Buttons | Front Buttons | Weight (Kg) | Part No. | |
mm | inch | ||||||
DHD350R/COP54 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15 | DHD350-133 |
140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16 | DHD350-140 | |
146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 17 | DHD350-146 | |
152 | 6" | 2 | 8×φ18 | 8×φ14 | 17.5 | DHD350-152 | |
165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 18.5 | DHD350-165 | |
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 | |
QL50 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 15.5 | QL50-130 |
140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 16 | QL50-140 | |
146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 16.5 | QL50-146 | |
152 | 6" | 2 | 8×φ18 | 8×φ14 | 17 | QL50-152 | |
165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 19 | QL50-165 | |
Mission50 | 133 | 5 1/4" | 2 | 7×φ16 | 6×φ14 | 12.5 | M50-130 |
140 | 5 1/2" | 2 | 7×φ18 | 7×φ14 | 13.5 | M50-140 | |
146 | 5 3/4" | 2 | 8×φ18 | 7×φ14 | 14 | M50-146 | |
152 | 6" | 2 | 8×φ18 | 8×φ14 | 14.4 | M50-152 | |
165 | 6 1/2" | 2 | 8×φ18 | 8×φ16 | 15 | M50-165 |
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. |