HOLEMAKER STEP DRILL STRAIGHT FLUTE 4-12MM

Features:

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

Specifications:

• Sizes: 4, 5, 6, 7, 8, 9, 10, 11, 12mm
• Step Length: 3.75mm
• Overall Length: 65.5mm
• Shank Diameter: 6mm