The Milwaukee 48899399 3-Piece HSS Step Drill Bit Set is an indispensable tool for professionals requiring accuracy and efficiency in drilling tasks. This set includes three high-speed steel (HSS) step drill bits, featuring a black oxide finish that resists corrosion and enhances durability. The JAM-FREE performance dual-flute design delivers up to twice faster hole times, up to four times longer life, and up to 50% more holes per battery charge than competitors. These bits are ideal for drilling small and large-diameter holes in steel and plastic. The set covers a range of sizes: 4-12 mm, 4-20 mm, and 6-35 mm, providing versatility for various applications. The single cutting edge design of these bits ensures more control and a cleaner finish, making them suitable for most metals.

Specifications & Features:

Material: High-Speed Steel (HSS)
Finish: Black Oxide for corrosion resistance
Design: Dual-Flute, JAM-FREE Performance
Size Range: 4-12 mm, 4-20 mm, 6-35 mm
Application: Ideal for steel and plastic
Enhanced Durability: Up to 4x longer life
Efficiency: Up to 2x faster hole times
Versatility: Drills small to large-diameter holes