MILWAUKEE 3-Piece Cobalt Step Drill Bit Set, 1/8" to 1-1/8", Black Oxide HSS

This 3-piece step drill bit set is used for drilling clean, burr-free holes in metal, plastic, and wood. It is ideal for electrical, plumbing, and HVAC applications where multiple hole sizes are needed without changing bits. The black oxide HSS construction provides durability for general industrial maintenance and fabrication tasks.

The set includes three bits with a size range from 1/8" to 1-1/8". They are made of black oxide high-speed steel (HSS) and are not impact rated. The manufacturer part number is 48-89-9291. These bits are designed for step drilling in various materials without requiring a pilot hole.

3G Electric supplies the MILWAUKEE Step Drill Bit Set 48-89-9291 to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote tailored to your region.

Choose a set like the MILWAUKEE 48-89-9291 with black oxide HSS for general metal drilling. Ensure the size range covers your required hole diameters. For harder materials, consider cobalt or titanium-coated bits. Always match the bit to the material thickness and use cutting oil to extend tool life.