The Two-Tone multiple application drill has been designed with a unique multi-layer coating, split point, and modified web construction to allow a wider range of applications, reduced thrust requirements, and increased rigidity.
2.5mm to 13mm split point.
13mm > Nothced thinned point.
<5mm bright or straw colour.
5mm to 13mm Steam tempered/straw colour.
> 13mm straw colour.