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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.
| Shank Diameter Tolerance | F11 |
| Drill Diameter | 1.8mm |
| Flute Construction | Ground flutes |
| Web Thickness | Form A |
| Material | HSS |
| Flute Type | Parabolic |
| Finish/Coating | Bright |
| Number of Flutes | 2 |
| Series | 549 |
| Flute Length | 22mm |
| Product Type | Jobber Drills |
| Point Angle | 130\u00b0 |
| Cutting Direction | Right Hand |
| Standards Met | DIN 338 | DIN 1412 |
| Drill Diameter Tolerance | H8 |
| Helix Type | High Helix |
| Overall Length | 46mm |
| MFR Part No. | 00549 001.800 |
| Drill Diameter Metric | 1.8mm |
| Coolant Delivery | External |
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