Milwaukee 48-89-9399 ~Step Drill Bit Metric Set 3PC: 4-12mm, 4-20 mm, 6-35 mm

Includes:

(1) Step Drill Bits
Features
JAM-FREE Performance: Dual-flute design provides greater speed and control
Up to 2x Faster: Optimized for cordless drills in high speed
RAPID STRIKE Tip: Creates fast, accurate starts and generates less heat
SPECIFICATIONS:
Number of Hole Sizes: 33
Step Thickness: 1mm, 2mm
Number of Flutes: 2
Shank Shape: 3-Flat
Overall Length: 65mm,90mm
MILWAUKEE Step Drill Bits with JAM-FREE Performance feature a dual-flute design delivering up to 2x faster hole times, up to 4x longer life and up to 50% more holes per battery charge than competitors. Ideal for drilling small and large-diameter holes in steel and plastic, these bits are optimized for cordless drills in high speed. The RAPID STRIKE tip allows for a fast and accurate start that generates less heat, resulting in longer bit tip life. Black oxide coating also enhances durability, hole quality and bit life. For user convenience and accuracy, each bit has laser-engraved reference marks you can see while drilling. The 3-flat SECURE GRIP shank ensures a solid connection with the drill chuck. JAM-FREE Performance in high speed with most professional 18-volt cordless drills lithium-ion battery technology.