Features: Experience superior drilling performances with our M35 Cobalt Step Drill Bits, designed to withstand high temperatures and resist wear, making them perfect for high strength metal drilling tasks. Featuring a unique twist design, these bits reduce friction for drilling, while the step design allows you to achieve multiple hole sizes with one tool. Ideal for professional machinists, DIY enthusiasts, and engineering technicians who demand efficiency in their work. Perfect for drilling into hard materials like stainless steel and cast iron, these drill bits suitable for both industrial applications and home repairs. Enhances your toolkit with these durable and efficient drill bits, ensuring performances across a wide range of demanding projects. Specifications: Component:Metal Size:3mm/4mm/6mm/8mm/10mm/12mm/13mm Package Includes: 1Pc Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.