Features: This adjustable countersink drill bit with bearing features built in depth limiter for precise hole depth control and smooth operate, ideal for creating clean countersunk screw hole in woodworking projects. Crafted from highly strength steel and alloy, it serves as a countersink drill, step drill, and salad drill bit, delivering versatility for various drilling applications. Perfect for carpenters, enthusiasts, and professional woodworkers seeking reliability tools for furniture assembly, cabinetry, or precise drilling tasks requiring consistent depth accuracy. Optimize wood surfaces finishes in workshops or home garages when installing hinges, mounting hardware, or crafting wooden joints with this multifunctional, low friction bearing countersink drill bit. Engineered with wear resistant materials and ergonomic structure, it ensures long lasting performances during repetitive drilling operate while minimizing workpiece splintering and bit slippage. Specifications: Component: Steel, alloy. Package Size:Approx.200x155x45mm/7.87x6.1x1.77inch Drill Bit Size: 6.25x2.8x8mm, 6.25x3x8mm, 6.25x3.2x8mm, 6.25x3.5x8mm, 6.25x4x8mm Use scenario: Home Decoration,Woodworking; Package Includes: 5pcs Countersink Drill Bit 1pc Drill note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.