Complaint
hole openers are used worldwide by major drilling contractors.
Their robustness and durability ensure safe operations while minimizing maintenance and rig costs. They are manufactured with the number of cutters adapted to the work required.| Technical specifications and parameters for Hole Opener | ||||||||
| Type | Hole open dia.(in) | Qty of cutter | Min. pilot hole(in) | Fishing neck dia.(in) | I.D(in) | Top Conn. (pin) | Bottom Conn.(box) | Overall length(in) |
| HO 311 | 12 1/4 | 3 | 8 1/2 | 8 | 1 1/2 | 6 5/8REG | 6 5/8REG | 55 |
| HO 406 | 16 | 3 | 10 | 9 1/2 | 2 1/4 | 7 5/8REG | 7 5/8REG | 59 |
| HO 444 | 17 1/2 | 3 | 10 | 9 1/2 | 2 1/4 | 7 5/8REG | 7 5/8REG | 59 |
| HO 559 | 22 | 3 | 12 3/4 | 9 1/2 | 2 1/3 | 7 5/8REG | 7 5/8REG | 69 |
| HO 584 | 23 | 3 | 12 3/4 | 8 | 3 | 6 5/8REG | 6 5/8REG | 69 |
| HO 610 | 24 | 3 | 14 | 10 | 3 | 7 5/8REG | 7 5/8REG | 69 |
| HO 660 | 26 | 3 | 17 1/2 | 10 | 3 | 7 5/8REG | 7 5/8REG | 69 |
| HO 4-914 | 36 | 4 | 26 | 10 | 3 1/2 | 7 5/8REG | 7 5/8REG | 87 |
