4-20mm / 5-25mm /6-30mm SDSET-1 | Holemaker 3pc Spiral Flute Step Drill Set-4-30mm Features 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:

• 1 x SD4-20MM 4 - 20mm

• 1 x SD5-25MM 5 - 25mm

• 1 x SD6-30MM 6 - 30mm **Will cut Stainless Steel however Stainless will reduce the edge life of your cutting tool.

4-20mm / 5-25mm /6-30mm SDSET-1 | Holemaker 3pc Spiral Flute Step Drill Set-4-30mm Features 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:

• 1 x SD4-20MM 4 - 20mm

• 1 x SD5-25MM 5 - 25mm

• 1 x SD6-30MM 6 - 30mm **Will cut Stainless Steel however Stainless will reduce the edge life of your cutting tool.