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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.
| Flute Construction | Ground flutes |
| Flute Length | 14mm |
| Standards Met | DIN 338 | DIN 1412 |
| Cutting Direction | Right Hand |
| MFR Part No. | 00549 001.150 |
| Coolant Delivery | External |
| Point Angle | 130\u00b0 |
| Series | 549 |
| Shank Diameter Tolerance | F11 |
| Number of Flutes | 2 |
| Web Thickness | Form A |
| Finish/Coating | Bright |
| Material | HSS |
| Overall Length | 36mm |
| Flute Type | Parabolic |
| Helix Type | High Helix |
| Drill Diameter Metric | 1.15mm |
| Drill Diameter Tolerance | H8 |
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