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Browse step drill bit collections featuring split-point tips and dual-flute designs for smooth, efficient cutting through metal and other materials.

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

Most bits are made of steel and are commonly used for wood applications, though you can choose a cobalt bit as a step drill bit for metal. This bit resists abrasion and dissolves heat quickly so that it can …

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 the proper size. These …

The most common use of a step drill bit is to make holes in thin sheet metal, up to 1/4″ thick. These types of bits work best on softer metals such as aluminum, however some heavy-duty unibits can …

Discover the best Step Drill Bits in Best Sellers. Find the top 100 most popular items in Amazon Industrial & Scientific Best Sellers.

Made from high-speed steel and coated with titanium, these bits resist heat and wear when boring through stainless steel, aluminum, copper, and plastics. The kit automatically deburrs holes while …

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 …

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