Usage Tips:Features: Experience efficient drilling with our cobalt drill bits, crafted from high speed steel for superior wear resistance and precise in materials like wood, iron, and stainless steel. Featuring a reduced shank design, these drill bits offer versatility and compatibility with various toolholding systems, ensuring seamless transitions between different drilling tasks. For professional craftsmen, DIYer enthusiasts, and industrial workers, this drill bit caters to those who demand precise and reliability in their projects. Perfect for use in construction, manufacturing, and home improvement settings, these drill bits are designed to handle diverse materials such as metal, plastic, and wood with ease. The helical fluted design ensures efficient chip evacuation, reducing clogging and enhancing the overall drilling experience, making it a essential addition to any toolkit. Specifications: Component:High Speed Steel Length: 15cm Handle diameter: 12.7mm Package Includes: 1pcs High Speed Steel Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.