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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.
| MFR Part No. | 00549 010.900 |
| Material | HSS |
| Point Angle | 130\u00b0 |
| Web Thickness | Form A |
| Coolant Delivery | External |
| Shank Diameter Tolerance | F11 |
| Series | 549 |
| Finish/Coating | Bright |
| Flute Construction | Ground flutes |
| Drill Diameter Metric | 10.9mm |
| Helix Type | High Helix |
| Flute Type | Parabolic |
| Drill Diameter Tolerance | H8 |
| Standards Met | DIN 338 | DIN 1412 |
| Flute Length | 94mm |
| Number of Flutes | 2 |
| Cutting Direction | Right Hand |
| Overall Length | 142mm |
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