Description
- 【Premium M35 Cobalt Alloy for Tough Metal Drilling】Made from M35 cobalt high-speed steel, this step drill bit delivers superior hardness for drilling through hard metals like stainless steel, cast iron, copper, and aluminum. Its increased wear resistance ensures long-lasting performance and clean holes.
- 【11-Step Sizes for Versatile Hole Expansion】With 11 precision steps (3mm to 13mm), this stepped drill bit allows you to drill or expand holes without changing bits, making it ideal for metalworking, industrial maintenance, and DIY projects. Perfect for fast, efficient drilling in a variety of materials.
- 【Self-Centering Design & Spiral Groove for Clean Holes】The self-centering design ensures accurate drilling with no wandering, while the spiral groove design improves chip removal, preventing clogging and delivering burr-free holes. Ideal for metal drilling, DIY home improvement, and automotive repairs.
- 【1/4" Hex Shank for Universal Compatibility】The 1/4" (6.35mm) hex shank fits securely into all standard drills, impact drivers, and bench drills, offering a secure fit with no slippage during high-speed operations. Perfect for both professional workshops and home use.
- 【Multi-Material Mastery for Metal, Wood, and PVC】This M35 cobalt step drill bit works seamlessly through materials like stainless steel, cast iron, aluminum, and brass, and even soft materials like wood and PVC. It’s ideal for everything from metal fabrication to home renovation.
