STRAIGHT FLUTE STEP DRILLS

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.

Sizes Included: 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25mm
Step Length: 3.0mm
Overall Length: 83.0mm
Shank: 10mm