It is suitable for 10 times, 20 times or even 50 times deep hole reaming, adopting floating structure and no correction function for the bottom hole, especially suitable for hole reaming with great difficulty in adjusting the machine tool runout, and the accuracy of the tool cannot be guaranteed in the process of tool feeding.
| Order number | Blade range | L1 | L2 | D1 | D2 |
| QPBD9.0-16-L40-L100 | φ15≤φ≤φ16 | 40 | 100 | 14 | 16 |
| QPBD9.0-16-L70-L120 | 70 | 120 | 14 | 16 | |
| QPBD9.0-16-L100-L150 | 100 | 150 | 14 | 16 | |
| QPBD10.4(5)-20-L54-L100 | φ16<φ≤φ19 | 54 | 100 | 15 | 20 |
| QPBD10.4(5)-20-L80-L130 | 80 | 130 | 15 | 20 | |
| QPBD10.4(5)-20-L120-L170 | 120 | 170 | 15 | 20 | |
| QPBD12-20-L54-L120 | φ19<φ≤φ23 | 54 | 120 | 18 | 20 |
| QPBD12-20-L95-L150 | 95 | 150 | 18 | 20 | |
| QPBD12-20-L150-L200 | 150 | 200 | 18 | 20 | |
| QPBD15-20-L120 | φ23<φ≤φ28 | 30 | 120 | 22 | 20 |
| QPBD15-20-L150 | 30 | 150 | 22 | 20 | |
| QPBD15-20-L200 | 30 | 200 | 22 | 20 | |
| QPBD17-25-L120 | φ28<φsφ33 | 30 | 120 | 27 | 25 |
| QPBD17-25-L150 | 30 | 150 | 27 | 25 | |
| QPBD17-25-L200 | 30 | 200 | 27 | 25 | |
| Customizable according to the plan | φ33<φ≤φ38.5 | ||||
| φ38.5<φ≤φ44.5 | |||||
| φ44.5<φ≤φ51 |
