Holemaker 3Pc Spiral Flute Step Drill Set-4-30mm

SDSET-1 - Unikut 3Pc Spiral Flute Step Drill Set-4-30mm
The Titanium Nitride coating significantly increases thetool 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:SD4-20mmSD5-25mmSD6-30mm
**Will cut Stainless Steel however Stainless will reduce theedge life of your cutting tool.