Makita Step Drill Bit 4 - 32mm Spiral Flute 10mm Shank Titanium Coated D-40191

Recommended For - Plastic, Non-Ferrous Metal, Sheet Steel, Alloy Steel & Cast Iron

2x Faster than straight flute with less vibration

Spiral Step Drill Bits provide the following benefits:
• Faster Drilling
• Longer Lifetime
• Smoother Cutting
• Less Vibration

Step sizes: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30 and 32mm
Total Steps: 15
Overall length: 102mm
RPM Range: 400-680
Flute Type: Spiral
Shank type: three flat 10mm straight shank

NOTE: Bits are not to be used on Impact Drivers as the cutting edge will be damaged.