Features: Achieve precise and efficient woodworking with our 6pcs Countersink Drill Bit Set, featuring depth stop collars to prevent over drilling and protect your workpieces. Crafted from high strength HSS 2mm alloy, these countersink bits offer excellent cutting Performances and wear resistance, suitable for various wood types including natural wood, chipboard, fiberboard, plywood, and . Suitable for professional carpenters, DIY enthusiasts, and home repair personnel, this set caters to users of all skill levels seeking Precisions in their woodworking projects. Perfect for furniture making, wood crafts processing, home Renovations, and repairs, ensuring smooth operations across a range of woodworking applications. The adjustable countersink length and crossing reference scale allow you to tailor the drilling depth for different screw lengths, enhancing versatility and control in every project. Specifications: Material: alloy Height: about 80mm/3.15inch Package Includes: 1 set Countersink Drill Bit Set note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.