Holemaker Step Drill Straight Flute 4-12mm
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: 4, 5, 6, 7, 8, 9, 10, 11, 12mm
Step Length: 3.75mm
Overall Length: 65.5mm
Shank: 6mm
