Milwaukee 48-89-9234 #4 Step Drill Bit, 3/16 to 7/8 in Dia, 2-Flute, 3/8 in Dia Shank, 3-Flat Shank First Aid Tool-free adjustable exhaust channels contaminants

Tool-free adjustable exhaust channels contaminants away from the user

Open Drip-Proof Motor

which are both washable

Using the optional 3/8" bearing #47702 (sold separately) produces a profile with a fillet at the convex end of the curve

Milwaukee 48-89-9234 #4 Step Drill Bit, 3/16 to 7/8 in Dia, 2-Flute, 3/8 in Dia Shank, 3-Flat Shank First Aid Tool-free adjustable exhaust channels contaminantsOur line of step drill bits far surpasses the competition. With our single cutting edge design, you will have more control and a cleaner finish. Made of high speed steel, these new step drill bits are durable and designed to drill through most metals. The black oxide finish prevents corrosion and has great capacity to work with drilling lubricants. The new speed start tip prevents bit walking and allows faster penetration. With laser etched markings