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gas emission drill rod introduction
New type gas emission drill rod Features: light, elastic, rigid, automatically adjustable, stable. Connection type: spring pinApplication: water exploration, gas emission. Types: with drainage hole, and w/o drainage hole. Matching: portable pneumatic drilling machine; electric coal drill, or other matched drilling machine.
gas emission drill rod parameters
| No. | Specification and Size (mm) | Torque (N.m) | Connection type | |||
| Dia (spiral+tube) | Tube dia. | Length | Connector | |||
| 1 | 42 | 22 | 500~3000 | F13 / Tr16 | 150~250 | Square shank/thread |
| 2 | 45 | 25 | 500~3000 | F18 / Tr19 | 450~650 | Square shank/thread |
| 3 | 62 | 32 | 500~3000 | F18 / Tr19 | 450~650 | Square shank/thread |
| 4 | 65 | 25 | 500~3000 | F18/ Tr19 | 450~650 | Square shank/thread |
| 5 | 69 | 25 | 500~3000 | F24 / Tr19 | 550~750 | Square shank/thread |
| 6 | 72 | 32~42 | 500~3000 | F14×50/80 | 1500~2500 | Square shank/thread |
| 7 | 75 | 42~50 | 500~3000 | F30~Tr33 | 1500~2500 | Square shank/thread |
| 8 | 76 | 32~42 | 500~3000 | F24~Tr33 | 1500~2500 | Square shank/thread |
| 9 | 89 | 42~50 | 500~3000 | F32~Tr42 | 2500~3500 | Square shank/thread |
| 10 | 110 | 50~63 | 500~3000 | F32~Tr42 | 3500~7500 | Square shank/thread |
gas emission drill rod photos
New type gas emission drill rod