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Enjoy more drilling and less downtime with Harbor Freight step drill bits. Automatically deburr holes as you drill through metal, plastic, and wood.

NEIKO 10173A Step Drill Bit Set for Metal and Wood, 5 Piece SAE, Spiral Grooved for Faster Drilling, Step Bits with 50 Total Step Sizes, Titanium Coated Unibits

Shop 38 Step Drill Bits at Northern Tool + Equipment. Browse a variety of top brands in Step Drill Bits such as Klein Tools, Milwaukee, Diablo Tools.

Create both large and small holes with a single bit using a step drill bit. These bits work with power drills and grind wood or other materials from the center outwards.

Drill multiple hole sizes using only one bit. These have steps with progressively larger diameters—the deeper they drill, the bigger the hole. Count the steps as you drill to achieve …

Discover the 7 best step drill bits for sale in 2026. We review individual unibits and step drill bit sets to see which is best.

Rocaris 5 Pack Step Drill Bit & 5 Pack Countersink Drill Bit Set, Titanium Coated, 50 Sizes of Step Bit for Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY

Complement your drilling solutions with the RYOBI 3 PC. Step Drill Bit Set, designed to produce burr-free holes in thin metals and plastics, ideal for drilling and enlarging holes.

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 …