Once through the hole, can do no damage to both sides of the chamfering, repair simple and uneven hole chamfering tool, and can easily and quickly clear the hole wall burr. Suitable for all types of production machines, for the global automotive manufacturing and aerospace industry is widely used.
Fix shank - forming cutting tools, including our premium carbide drill bit set, designed for precision chamfering and enhanced durability in various machining applications.
1. Tolerance of shank diameter from BO-0.8--BO-6:+0,-0.03
2. Special sizes and Titanium Nitride coated tools are available on request
3. BO-0.8--BO-6: Fix shank
Standard Length
| Code | aperture | Shank Diameter d1 | Reduced shank diameter c | Total Length L | A size | B size | Blade outer diameter D | Recommended speedR.P.M. |
| mm | mm | mm | mm | mm | mm | mm | ||
| BO-0.8 | 0.8-0.9 | 3 | 0.7 | 45 | 1 | 1.5 | 1.05 | 1800 |
| BO-0.9 | 0.9-1.0 | 3 | 0.8 | 45 | 1 | 1.5 | 1.2 | 1800 |
| BO-1.0 | 1.0-1.1 | 3 | 0.9 | 45 | 1 | 1.5 | 1.35 | 1800 |
| BO-1.1 | 1.1-1.2 | 3 | 1 | 45 | 1 | 1.5 | 1.5 | 1800 |
| BO-1.2 | 1.2-1.3 | 3 | 1.1 | 45 | 1 | 1.5 | 1.65 | 1800 |
| BO-1.3 | 1.3-1.4 | 3 | 1.2 | 45 | 1 | 1.5 | 1.8 | 1800 |
| BO-1.4 | 1.4-1.5 | 3 | 1.3 | 45 | 1 | 1.5 | 1.95 | 1800 |
| BO-1.5 | 1.5-1.6 | 3 | 1.4 | 50 | 2 | 2.5 | 2.1 | 1500 |
| BO-1.6 | 1.6-1.7 | 3 | 1.5 | 50 | 2 | 2.5 | 2.25 | 1500 |
| BO-1.7 | 1.7-1.8 | 3 | 1.6 | 50 | 2 | 2.5 | 2.4 | 1500 |
| BO-1.8 | 1.8-1.9 | 3 | 1.7 | 60 | 2 | 2.5 | 2.55 | 1500 |
| BO-1.9 | 1.9-2.0 | 3 | 1.8 | 60 | 2 | 2.5 | 2.65 | 1500 |
| BO-2 | 2.0-2.2 | 3 | 1.9 | 60 | 2 | 2.5 | 2.8 | 1500 |
| BO-4 | 2.2-2.4 | 3 | 2.1 | 80 | 2 | 2.5 | 3.15 | 1500 |
| BO-5 | 2.4-2.6 | 3 | 2.3 | 80 | 2 | 2.5 | 3.45 | 1500 |
| BO-6 | 2.6-2.8 | 3 | 2.5 | 80 | 2 | 2.5 | 3.7 | 1500 |
1. Tolerance of shank diameter from BO-7---BO-13:+0,-0.03.
2. Special sizes and Titanium Nitride coated tools are available on request.
Standard Length
| Code | aperture | Shank Diameter d1 | Total Length L | A size | B size | Blade outer diameter D | Recommended speedR.P.M. |
| mm | mm | mm | mm | mm | mm | ||
| BO-7 | 2.8-3.18 | 2.75 | 101.6 | 3.18 | 4.45 | 4 | 1200 |
| BO-8 | 3.18-3.55 | 3.15 | 101.6 | 3.18 | 4.45 | 4.34 | 1200 |
| BO-9 | 3.55-3.96 | 3.58 | 101.6 | 3.18 | 4.45 | 4.75 | 1200 |
| BO-10 | 3.96-4.36 | 3.9 | 101.6 | 3.18 | 4.45 | 5.54 | 1200 |
| BO-11 | 4.36-4.74 | 4.34 | 101.6 | 3.18 | 4.45 | 5.94 | 1200 |
| BO-12 | 4.74-5.15 | 4.72 | 101.6 | 3.18 | 6.22 | 6.35 | 1200 |
| BO-13 | 5.15-5.56 | 5.13 | 101.6 | 3.18 | 6.22 | 6.78 | 1200 |
1. Tolerance of shank diameter from BO-14---BO-50:+0,-0.03.
2. Special sizes and Titanium Nitride coated tools are available on request.
Standard Length
| Code | aperture | Shank Diameter d1 | Total Length L | A size | B size | Blade outer diameter D | Recommended speedR.P.M. |
| mm | mm | mm | mm | mm | mm | ||
| BO-14 | 5.56-5.94 | 5.54 | 101.6 | 6.48 | 6.22 | 7.92 | 800-1000 |
| BO-15 | 5.94-6.3.5 | 5.92 | 101.6 | 6.48 | 6.22 | 8.33 | 800-1000 |
| BO-16 | 6.35-6.75 | 6.32 | 101.6 | 6.48 | 6.22 | 8.71 | 800-1000 |
| BO-17 | 6.75-7.13 | 6.73 | 101.6 | 6.48 | 6.22 | 9.12 | 800-1000 |
| BO-18 | 7.13-7.54 | 7.11 | 101.6 | 6.48 | 6.22 | 9.53 | 800-1000 |
| BO-19 | 7.54-7.95 | 7.52 | 101.6 | 7.24 | 6.48 | 9.91 | 800-1000 |
| BO-20 | 7.95-8.33 | 7.92 | 101.6 | 7.24 | 6.48 | 10.31 | 800-1000 |
| BO-21 | 8.33-8.71 | 8.31 | 101.6 | 7.24 | 6.48 | 10.72 | 800-1000 |
| BO-22 | 8.71-9.11 | 8.69 | 101.6 | 7.24 | 6.48 | 11.1 | 800-1000 |
| BO-23 | 9.11-9.52 | 9.09 | 101.6 | 7.24 | 6.48 | 11.51 | 800-1000 |
| BO-24 | 9.52-9.90 | 9.5 | 112.7 | 8 | 6.48 | 12.7 | 800-1000 |
| BO-25 | 9.90-10.31 | 9.88 | 112.7 | 8 | 6.48 | 13.08 | 600 |
| BO-26 | 10.31-10.72 | 10.29 | 112.7 | 8 | 6.48 | 13.49 | 600 |
| BO-27 | 10.72-11.10 | 10.67 | 112.7 | 8 | 6.48 | 13.89 | 600 |
| BO-28 | 11.10-11.51 | 11.07 | 139.7 | 8.76 | 6.99 | 15.06 | 600 |
| BO-29 | 11.51-11.88 | 11.48 | 139.7 | 8.76 | 6.99 | 15.47 | 600 |
| BO-30 | 11.88-12.29 | 11.86 | 139.7 | 8.76 | 6.99 | 15.86 | 600 |
| BO-31 | 12.29-12.70 | 12.27 | 139.7 | 8.76 | 6.99 | 16.26 | 600 |
| BO-32 | 12.70-13.08 | 12.67 | 177.8 | 9.78 | 7.75 | 17.45 | 600 |
| BO-33 | 13.08-13.48 | 13.05 | 177.8 | 9.78 | 7.75 | 17.86 | 600 |
| BO-34 | 13.48-13.89 | 13.46 | 177.8 | 9.78 | 7.75 | 18.24 | 600 |
| BO-35 | 13.89-14.30 | 13.84 | 177.8 | 9.78 | 7.75 | 18.64 | 600 |
| BO-36 | 14.30-14.68 | 14.27 | 190.5 | 10.54 | 10.29 | 19.05 | 600 |
| BO-37 | 14.68-15.09 | 14.65 | 190.5 | 10.54 | 10.29 | 19.43 | 600 |
| BO-38 | 15.09-15.47 | 15.06 | 190.5 | 10.54 | 11.05 | 19.84 | 600 |
| BO-39 | 15.47-15.87 | 15.44 | 190.5 | 10.54 | 11.05 | 20.22 | 600 |
| BO-40 | 15.87-16.28 | 15.84 | 212.6 | 11.3 | 11.05 | 22.2 | 600 |
| BO-41 | 16.28-16.66 | 16.23 | 212.6 | 11.3 | 11.05 | 22.63 | 600 |
| BO-42 | 16.66-17.07 | 16.64 | 212.6 | 11.3 | 11.05 | 23.01 | 600 |
| BO-43 | 17.07-17.47 | 17.04 | 212.6 | 11.3 | 11.05 | 23.39 | 600 |
| BO-44 | 17.47-17.85 | 17.42 | 215.9 | 12.07 | 11.05 | 23.8 | 600 |
| BO-45 | 17.85-18.26 | 17.83 | 215.9 | 12.07 | 11.05 | 24.18 | 600 |
| BO-46 | 18.26-18.64 | 18.21 | 215.9 | 12.07 | 11.05 | 24.56 | 600 |
| BO-47 | 18.64-19.05 | 18.62 | 215.9 | 12.07 | 11.05 | 24.97 | 600 |
| BO-48 | 19.05-19.45 | 19.02 | 218.9 | 12.83 | 11.05 | 25.4 | 600 |
| BO-49 | 19.45-19.83 | 19.43 | 218.9 | 12.83 | 11.05 | 25.81 | 600 |
| BO-50 | 19.83-20.24 | 19.81 | 218.9 | 12.83 | 11.05 | 26.19 | 600 |
