Jam-free performance Deliver up to 2X faster hole times Range in size from ½ in. to 13/8 in. Designed to deliver jam-free performance, these step drill bits are optimized for high-speed cordless ...

The new Greenlee GSB Series Step Bits are manufactured in the United States and feature an improved split-point tip for even faster penetration and a patented split-step design to optimize chip load ...

We may receive a commission on purchases made from links. Drill bits come in a startlingly wide array of sizes, shapes, and job-specific types. Most DIYers and repairers will be familiar with the ...

Then, we tested the step bit’s unique ability to enlarge existing holes—a task that is nearly impossible to do cleanly with conventional twist bits. We clamped an old steel electrical junction box to ...