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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.
| Overall Length | 34mm |
| Series | 549 |
| Material | HSS |
| Number of Flutes | 2 |
| Drill Diameter Metric | 1.05mm |
| Helix Type | High Helix |
| Flute Construction | Ground flutes |
| Flute Length | 12mm |
| MFR Part No. | 00549 001.050 |
| Shank Diameter Tolerance | F11 |
| Drill Diameter Tolerance | H8 |
| Coolant Delivery | External |
| Web Thickness | Form A |
| Flute Type | Parabolic |
| Finish/Coating | Bright |
| Cutting Direction | Right Hand |
| Standards Met | DIN 338 | DIN 1412 |
| Point Angle | 130\u00b0 |
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