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Series 549 HSS High Helix (Parabolic Flute) Jobber Drills
Metric
HSS GT100 jobber drills. For drilling in difficult conditions when swarf congestion prevents an adequate flow of coolant. For use in steel and cast iron having a hardness of up to 1000N/mm2. Not recommended for nickel-chrome steels or similar material. Nitrided lands/polished > 2.36mm dia
Manufactured to BS 328, DIN338RN.
| Point Angle | 130\u00b0 |
| Helix Type | High Helix |
| Shank Diameter Tolerance | F11 |
| Material | HSS |
| Flute Type | Parabolic |
| Overall Length | 40mm |
| Series | 549 |
| Cutting Direction | Right Hand |
| Drill Diameter Metric | 1.45mm |
| Standards Met | DIN 338 | DIN 1412 |
| Number of Flutes | 2 |
| Web Thickness | Form A |
| Flute Construction | Ground flutes |
| Coolant Delivery | External |
| Drill Diameter Tolerance | H8 |
| Flute Length | 18mm |
| MFR Part No. | 00549 001.450 |
| Finish/Coating | Bright |
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