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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 | 142mm |
| Coolant Delivery | External |
| Flute Length | 94mm |
| Finish/Coating | Bright |
| Shank Diameter Tolerance | F11 |
| Flute Type | Parabolic |
| Series | 549 |
| Number of Flutes | 2 |
| Helix Type | High Helix |
| Drill Diameter Metric | 10.7mm |
| Web Thickness | Form A |
| Standards Met | DIN 338 | DIN 1412 |
| Flute Construction | Ground flutes |
| MFR Part No. | 00549 010.700 |
| Point Angle | 130\u00b0 |
| Cutting Direction | Right Hand |
| Drill Diameter Tolerance | H8 |
| Material | HSS |
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