
PROJAHN Extra-long twist drills with cylindrical shank, ground HSS-G DIN 1869 type N – Ø mm 9, L 250, L2 175 (170901)
Code: 170901 · Brand: Projahn · Accessories & bits · On order · Price on request
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High-performance standard drill for the deepest holes
Powerful and stable
Precise point grinding
First-class service life
Right-hand cutting
For extremely deep holes
Not for oil holes in crankshafts
The cutting conditions (cutting speed and feed) must be adapted to the stability of the drill
Important: frequent chip removal and sufficient cooling
Specifications
| Article No. | 170901 |
|---|---|
| EAN | 4000146179017 |
| Ø mm | 9 |
| L | 250 |
| L2 | 175 |
| Quality level | Plus |
| Standard(s) | DIN 1869 |
| Tolerance | h8 |
| Material | HSS-G |
| Point grind | Conical relief |
| Point angle | 118° |
| Point thinning | DIN 1412 Form A |
| Other design features according to | DIN 1414 |
| Tool holder | Cylindrical |
| Application | Steel, cast iron |
| Packaging | Single |











































































































































