Steelmaster SD5-25MM Spiral Flute Step Drill Set - 5-25mm

The Titanium Nitride coating significantly increases the tool life by providing the following benefits:

Increased 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

Part No.	Sizes Included	Step Length	Over All Length	Shank Diameter
SD5-25MM	5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25mm	3.0mm	83.0mm	10mm