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Series 622 HSCo GT100 High Helix (Parabolic Flute) Straight Shank Jobber Drills
Metric
High heat resistant drill with wide chip space. Suitable for drilling alloyed and unalloyed steels and castings with a high tensile strength over 800N/mm2. Particularly suitable for drilling hot and cold rolled steels. Manufactured to BS 328, DIN338RN.
| Overall Length | 57mm |
| Cutting Direction | Right Hand |
| Flute Type | Parabolic |
| Point Type | Thinned Point |
| Shank Diameter Tolerance | H8 |
| Flute Construction | Ground flutes |
| Finish/Coating | Nitride Lands |
| Drill Diameter Tolerance | H8 |
| Web Thickness | Form A Web-thinned |
| Material | Cobalt High Speed Steel |
| Coolant Delivery | External |
| Point Angle | 130\u00b0 |
| Helix Type | GT 100 |
| Flute Length | 30mm |
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