Mach-blue 13-step Drill Bit, 1/8 - 1/2 In.

Introducing the Mach-Blue 13‑Step Hex Shank Drill Bit, a versatile tool engineered for precise, progressive enlarging of holes from 1/8 inch up to 1/2 inch. The rugged hex shank delivers a secure grip in any standard drill, while the proprietary Mach-Blue coating resists wear, heat and corrosion for longer life. Whether you’re working with steel, aluminum or plastic, this step bit creates clean, burr‑free openings in a single pass, saving time and reducing the need for multiple tools.

Why it matters: This all‑in‑one drill bit eliminates the hassle of swapping sizes, allowing you to finish projects faster and with greater accuracy. Its stepped geometry ensures smooth transitions between diameters, minimizing material stress and delivering professional‑grade results even in tight spaces.

• 13 progressive steps: Offers nine distinct diameters within one bit, perfect for graduated hole sizing and quick tap preparation.
• Mach-Blue surface treatment: Provides superior hardness and corrosion resistance, extending tool lifespan in demanding environments.
• Hexagonal shank design: Guarantees a slip‑free connection to power drills, delivering consistent torque and reducing cam‑out.
• Wide material compatibility: Ideal for drilling mild steel, stainless steel, aluminum, copper, PVC and other common substrates.
• Compact 1/8"‑1/2" range: Enables precise enlargement of pilot holes without the need for multiple bits, streamlining workflow on both DIY and professional jobs.

Finish your projects with confidence: The Mach-Blue 13‑Step Drill Bit combines durability, accuracy and convenience in a single, easy‑to‑use tool. Its robust construction and corrosion‑resistant coating make it a reliable companion for electricians, fabricators, automotive technicians and hobbyists alike. Upgrade your drill kit today and experience the efficiency of a true multi‑size drilling solution.