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Series 549 HSS High Helix (Parabolic Flute) Straight Shank Jobber Drills
Inch
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 flues > 2.36mm dia
Manufactured to BS 328, DIN338RN.
| Flute Type | Parabolic |
| Flute Length | 30mm |
| Number of Flutes | 2 |
| Standards Met | DIN 338 | DIN 1412 |
| Cutting Direction | Right Hand |
| Shank Diameter Tolerance | F11 |
| Overall Length | 57mm |
| Helix Type | High Helix |
| Drill Diameter | 3/32in |
| Web Thickness | Form A |
| Coolant Delivery | External |
| Drill Diameter Tolerance | H8 |
| Series | 549 |
| Material | HSS |
| Flute Construction | Ground flutes |
| MFR Part No. | 00549 002.380 |
| Point Angle | 130\u00b0 |
| Finish/Coating | Bright |
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