| Sizes | Flute Length | Overall Length |
| 1/8" | 110mm | 65mm |
| 5/32" | 43mm | 75mm |
| 3/16" | 52mm | 86mm |
| 7/32" | 57mm | 93mm |
| 1/4" | 63mm | 101mm |
| 5/16" | 75mm | 117mm |
| 3/8" | 87mm | 133mm |
Range of application:
5% cobalt-alloyed high-efficiency drills with re-enforced web. Specially suitable for drilling stainless steel, acid-resisting steel, spring steel. Best for hand held operations.
5% cobalt-alloyed high-efficiency drills with re-enforced web. Specially suitable for drilling stainless steel, acid-resisting steel, spring steel. Best for hand held operations.