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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 Length | 81mm |
| Drill Diameter | 9.4mm |
| Finish/Coating | Bright |
| Coolant Delivery | External |
| Web Thickness | Form A |
| Series | 549 |
| Overall Length | 125mm |
| Material | HSS |
| Standards Met | DIN 338 | DIN 1412 |
| Product Type | Jobber Drills |
| Drill Diameter Metric | 9.4mm |
| Cutting Direction | Right Hand |
| Flute Type | Parabolic |
| Point Angle | 130\u00b0 |
| Number of Flutes | 2 |
| Drill Diameter Tolerance | H8 |
| Helix Type | High Helix |
| Flute Construction | Ground flutes |
| Shank Diameter Tolerance | F11 |
| MFR Part No. | 00549 009.400 |
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