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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.
Cutting Direction | Right Hand |
Shank Diameter Tolerance | H8 |
Flute Type | Parabolic |
Drill Diameter Tolerance | H8 |
Flute Length | 18mm |
Helix Type | GT 100 |
Web Thickness | Form A Web-thinned |
Flute Construction | Ground flutes |
Point Angle | 130\u00b0 |
Coolant Delivery | External |
Material | Cobalt High Speed Steel |
Point Type | Thinned Point |
Finish/Coating | Nitride Lands |
Overall Length | 40mm |
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