SDSET-1 – Unikut 3Pc Spiral Flute Step Drill Set-4-30mm

The Titanium Nitride coating significantly increases the tool life by providing the following benefits:
Increases surface hardness to 85HRC
Ceramic surface, reducing friction by up to 30%
Especially resistant to cold welding.
Suitable for cutting a wide range of materials.**

Set Contents:
SD4-20mm
SD5-25mm
SD6-30mm

**Will cut Stainless Steel however Stainless will reduce the edge life of your cutting tool.