Description
Bordo 1/2 Reduced Shank Drill 16.50mm
- 118° notched point 118° helix reduced shank drill. BRIGHT/BLACK FINISH These drills are ground and then a black finish is achieved by steam tempering, a thermal process resulting in a porous tool coating. This surface aids chip flow and heat dissipation. The drill is then ground a second time to achieve a bright finish on the shank and cutting edges.
Specifications: |
|
|---|---|
| Part No. | 2654-16.50 |
| Diameter (mm) | 16.5 |
| Flute Length (mm) | 89 |
| Overall Length (mm) | 152 |
| Spindle Speed Stainless Steel RPM | 232 |
| Spindle Speed Tool Steel RPM | 347 |
| Spindle Speed Cast Iron RPM | 463 |
| Spindle Speed Malleable Iron RPM | 521 |
| Spindle Speed Med. Carbon Steel RPM | 579 |
| Spindle Speed Free Cutting Steel RPM | 830 |
| Spindle Speed Aluminium/Brass RPM | 1177 |
| Spindle Speed Wood/Plastic RPM | 1757 |
| Feed per revolution mm | 0.31 |