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Email: sales@prodrill.com.cn
Tel:0086-18959243380
Addr: Room 805 C1 Wanda Plaza, No.5 Jinzhong Road, Huli District, Xiamen, China
Couplers
- Outer diameter : 130mm
- Length : 220mm
- Material quality : 42CrMo
The couplers' main aim is to provide the connection between seating of each hollow tube face-to-face connection. This is the main component for the energy transmission from end to end connection of anchor and provides maximum percussive energy to drill bit with lesser losses.
Couplers Specification
| No. | Outer Dia.mm | Length mm | Hole Dia mm | Steel Type | Weight kg |
| 1 | 68 | 35 | 35 | CK45 | 0.35 |
| 2 | 70 | 35 | 40 | 0.36 | |
| 3 | 85 | 40 | 52 | 0.52 | |
| 4 | 95 | 40 | 67 | 0.53 | |
| 5 | 125 | 40 | 67 | 0.86 | |
| 6 | 140 | 50 | 80 | 1.25 | |
| 7 | 170 | 60 | 112 | 2.15 | |
| 8 | 65 | 35 | 35 | 0.3 | |
| 9 | 70 | 35 | 40 | 0.36 | |
| 10 | 85 | 40 | 53 | 0.52 | |
| 11 | 103 | 60 | 150 | 1.4 | |
| 12 | 110 | 50 | 80 | 0.75 | |
| 13 | 140 | 60 | 112 | 1.25 | |
| 14 | 150 | 60 | 108 | 1.62 |
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