12-Step Step Drill Bit 7/8 in Max with 1/4 in Hex Shank

The Diablo DSD0875S12 is a high-performance 12-step drill bit designed for precision and speed in professional electrical, plumbing, and HVAC applications. Featuring a 132-degree split point tip, this bit eliminates the need for pre-drilling and prevents walking, while the dual-flute design ensures rapid chip removal and jam-free operation. Its 1/4-inch hex shank is impact-rated, making it compatible with both standard drills and high-torque impact drivers for maximum jobsite versatility. Engineered from high-speed steel with laser-etched markings, it delivers up to 6X longer life and 2X faster cuts in thin metals, PVC, and other plastics.

Diablo's new step drill bits bring exclusive technology to the electrician, plumber and HVAC contractor with fast, accurate cuts and increased stability in thin metals, PVC other plastic materials. The innovative split point tip design enables a fast, on-point start resulting in increased durability and up to 4X longer life. An automated precision grinding process on each step reduces wear and delivers 2X faster cuts. Multiple hole sizes are made easy with laser etched step markings while increased step heights for common hole sizes makes drilling holes more efficient and faster. Designed with a 1/4 in hex shank, these bits are impact ready and can be used with drills and impact drivers.