China Down The Hole DTH Drill Button Bits for Sale, Find details about China Down The Hole Hammer Bits, Down Hole Hammer Drill Bits from Down The Hole DTH Drill Button Bits for Sale
Hammer inch | Bits diameter | Shank | |
Metric | Inch | ||
1" | 64mm-70mm | 2 1/2"-2 3/4" | BR1 |
2" | 70mm-95mm | 2 3/4"-3 3/4" | MACH20/BR2 |
3" | 90mm-102mm | 3 1/2"-4" | COP32/COP34/MACH303 |
M30/DHD3.5/BR3 | |||
4" | 105mm-152mm | 4 1/8"-6" | COP44/DHD340/MACH44 |
SD4/M40/QL40 | |||
5" | 133mm-165mm | 5 1/4"-6 1/2" | COP54/DHD350R/MACH50 |
SD5/M50/QL50/BR5 | |||
6" | 152mm-254mm | 4 1/8"-10" | COP64/DHD360/SD6 |
M60/QL60/Bulroc BR6 | |||
8" | 203mm-330mm | 8"-13" | COP84/DHD380/SD8 |
QL80/M80 | |||
10" | 254mm-380mm | 10"-15" | SD10 |
NUMA100 | |||
12" | 305mm-508mm | 12"-20" | DHD1120/SD12 |
NUMA120/NUMA125 |
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. |