Adjustable & Versatile Countersink Drill Bit Set Adjustable depth limiter and angle control to tailor countersinking depth and orientation for a wide range of tasks. Suitable for wood, plastic, and soft metals, this set meets the needs of both professionals and DIY enthusiasts. Enhanced drilling efficiency. Chips discharge quickly and clogging is minimized. Ground edges provide smooth entry and exit, reducing effort and time per hole. Ideal for demanding projects and frequent use. materials and durability. Made from ABS, 40CrV steel, and HSS materials for sturdy construction and long service life. Resistant to damage and wear, helping you avoid frequent replacements. Efficient chip removal and performance. Advanced chip removal system prevents stagnation and accumulation, boosting drilling speed. Strong bending strength and abrasion resistance ensure smooth, clean holes even in tough materials. Use scenarios Furniture making and cabinetry: countersink screw heads in hardwoods or plywood for a flush, professional finish. Plastic or composite projects: countersink and drill clean holes in PVC, acrylic, or other plastics with reduced tearout. Lightweight metal work: countersink screws in soft metals such as aluminum for secure, flush mounting in DIY projects.