🔧 **★ Industrial-Grade M2 HSS Durability** Crafted with ultra-sharp M2 high-speed steel, this countersink cutter bit delivers long-lasting sharpness and precision for smooth deburring on tough materials like steel, aluminum, and hard plastics. Built to withstand heavy-duty use without dulling.
⚡ **★ Multi-Material Mastery** Effortlessly deburr, chamfer, and polish edges on wood, plastic, copper, PVC, and metal surfaces. Perfect for DIY enthusiasts, metalworkers, and woodworkers seeking flawless finishes on drilled holes up to 16.5mm (RD16.5-BC1651).
📐 **★ Precision 1-16.5mm Hole Adaptability** Features a razor-sharp 90° angled blade designed for hole diameters from 1mm to 16.5mm. Achieve professional-grade countersinking for screws, bolts, and fittings in seconds—ideal for automotive, carpentry, or HVAC projects.
🤲 **★ Ergonomic Non-Slip Grip** Engineered with a fatigue-resistant rubberized handle for maximum comfort and control. Reduce hand strain during extended use while maintaining safety and accuracy—even in high-pressure workshops or tight spaces.
🔄 **★ Quick-Install 360° Rotating Head** Installs in seconds with a simple compression mount. The blade rotates freely for dynamic angle adjustments mid-task, ensuring seamless burr removal. Includes safety warnings for child-free storage—engineered for efficiency and user-friendly operation.