Holemaker Step Drill Spiral Flute 6-30mm

SPIRAL FLUTE STEP DRILLS
• The Titanium Nitride coating significantly increases thetool 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: 6 8 10 12 14 16 18 20 22 24 2626 28 30mmStep Length: 3.0mmOverall Length: 98.0mmShank: 12mm