- This comprehensive set includes 19 cobalt drill bits, with sizes ranging from 1.0 to 10mm, ensuring you have the right tool for any project. - Crafted from high-speed steel (HSSCO M35), these bits offer exceptional durability and maintain sharpness for longer-lasting performance. - The spiral twist design enhances efficiency by facilitating effective chip evacuation, preventing clogging and overheating during use. - Perfect for drilling through stainless steel, metal, and wood, these bits are versatile enough to tackle a variety of materials. - Achieve precise and clean holes, making these drill bits ideal for both DIY enthusiasts and professional tradespeople. Use Scenarios: - Use these bits for precision drilling in metal fabrication projects, ensuring clean entry and exit points. - Ideal for woodworking tasks, allowing you to create smooth holes for dowels or hardware installation. - Great for plumbing or electrical work, where accurate holes are essential for fittings and fixtures. Experience the reliability and performance of our cobalt drill bits, designed to meet the demands of both home improvement and industrial applications.