HOLEMAKER STEP DRILL, SPIRAL FLUTE, 12 STEPS, 6MM STEP LENGTH, 6 – 38MM

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

Sizes: 6, 9, 13, 16, 19, 21, 23, 26, 29, 32, 35, 38mm
Step Length: 5.5mm
Overall Length: 101mm
Shank Diameter: 12mm