
PROJAHN Short twist drills with cylindrical shank HSS-G DIN 338 type N TURBO – Ø mm 8,3, L 117, L2 75 (140830)
Code: 140830 · Brand: Projahn · Accessories & bits · On order · Price on request
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The twist drill with the TurboSpitze
Centres immediately without centre punching (from Ø 3.0 mm)
Guaranteed exact, round holes
High concentricity
High break resistance
Long tool life
For normal drilling in commonly used materials
Specifications
| Article No. | 140830 |
|---|---|
| EAN | 4000146140833 |
| Ø mm | 8,3 |
| L | 117 |
| L2 | 75 |
| Quality level | Professional |
| Standard(s) | DIN 338 |
| Tolerance | h8 |
| Material | HSS |
| Point grind | Conical relief |
| Point angle | 118° |
| Point thinning | DIN 1412 form A from Ø 3 mm |
| Core thickness | normal |
| Core taper | normal |
| Side rake angle (helix angle) | normal |
| Flute shape | normal |
| Other design features according to | DIN 1414 |
| Tool holder | Cylindrical |
| Application | Steel, cast iron, graphite, bronze, brass, aluminium |
| Packaging | Quadro Pack 10 pieces each up to Ø 10; 5 pieces each from Ø 10.1; 1 piece each from Ø 14.5 |











































































































































