Helical Back Rake Boring Bars
Optimize your machining process with our helical back rake boring bars, designed for adjustable maximum bore depth to suit a variety of applications. Crafted from premium submicron grade carbide, these tools deliver exceptional durability and performance. The positive high shear tool design minimizes cutting force, ensuring smoother cuts and increased efficiency. Available in uncoated and coated versions, the AlTiN+ coating offers superior wear resistance and a better surface finish for high-quality results. Upgrade your tooling with precision-engineered boring bars built for strength, accuracy, and reliability.
A (Minimum Bore) | S (Shank Diameter) | OAL | Tool # | Uncoated EDP # | AlTiN+ EDP # |
|---|---|---|---|---|---|
| 0.130 | 0.1093 | 1.50 | HB135 | 215736 | 215832 |
| 0.145 | 0.1250 | 1.50 | HB150 | 215739 | 215835 |
| 0.145 | 0.1250 | 2.50 | HB150L | 215742 | 215838 |
| 0.174 | 0.1562 | 1.50 | HB180 | 215745 | 215841 |
| 0.174 | 0.1562 | 2.00 | HB180L | 215751 | 215847 |
| 0.174 | 0.1562 | 3.00 | HB180EL | 215748 | 215844 |
| 0.205 | 0.1875 | 1.50 | HB210 | 215754 | 215850 |
| 0.205 | 0.1875 | 3.00 | HB210L | 215757 | 215853 |
| 0.235 | 0.2187 | 1.50 | HB240 | 215760 | 215856 |
| 0.235 | 0.2187 | 3.00 | HB240L | 215763 | 215859 |
| 0.284 | 0.2500 | 2.50 | HB300 | 215766 | 215862 |
| 0.284 | 0.2500 | 3.50 | HB300L | 215769 | 215865 |
| 0.345 | 0.3125 | 3.00 | HB360 | 215772 | 215868 |
| 0.345 | 0.3125 | 5.00 | HB360L | 215775 | 215871 |
| 0.470 | 0.4375 | 3.00 | HB480 | 215778 | 215874 |
| 0.470 | 0.4375 | 6.00 | HB480L | 215781 | 215877 |