Description This set includes 25 high-quality cobalt drill bits designed for demanding drilling tasks. Made from M35 high-speed steel with 5% cobalt content, these bits offer excellent durability, heat resistance, and abrasion protection. They feature a fully ground construction with a 135° split point for precise centering and to prevent wandering during drilling. Suitable for use in various tough materials, these drill bits are ideal for professional and DIY applications in metalworking and home improvement projects. Technical Specifications Material: M35 high-speed steel with 5% cobalt Tip angle: 135° split point Type: Fully ground with single flute Connection: Round shank Compatible with standard 10/13mm chucks Size range: 1.0mm to 13.0mm Compatibility and Accessories Compatible with drill machines featuring 10mm or 13mm chucks Best used with cooling agents for extended lifespan and optimal performance Installation Insert the desired drill bit into the drill chuck and tighten