The Chamfer Tool Round Shank HSS(4241) Countersink Drill Bit Set is a fourpiece collection designed for precise countersinking and chamfering across wood, metal, and plastic. Made from speed steel (HSS) with the 4241 specification, these bits deliver durable performance and reliable cutting edges. The round shank provides secure grip in drill chucks, helping to reduce slipping and improve stability during operation. Finished in a professional silver color, this set is built to perform in a variety of workbench and environments. Key benefits Versatile across materials: suitable for wood, metal, and plastic projects, enabling clean countersinks and chamfers in a single set. Durable construction: HSS (4241) material is chosen for wear resistance and longevity under repeated drilling and countersinking tasks. Secure chuck engagement: round shank design ensures a stable grip in standard drill chucks, reducing wobble and improving control. Ready for common countersinking tasks: fourpiece set provides multiple tips to cover typical countersinking needs without changing bits frequently. Professional finish: creates neat, flush seating for screws and a clean chamfer edge, enhancing both appearance and function. Key attributes Functionality: countersink and chamfer drill bits for wood, metal, and plastic. Material: speed steel (HSS), grade 4241. Model: Chamfer Tool Round Shank HSS(4241) Countersink Drill Bit. Set quantity: 4 pieces. Color: silver. Shank type: round shank for secure drill chuck fit. Applications: suitable for wood, metal, and plastic workpieces. Use cases Furniture assembly: create precise countersinks for flathead screws to achieve a flush, professional finish on wooden frames and cabinetry. Metal fabrication: deburr and chamfer holes to improve alignment and reduce sharp edges in metal components. Plastic component production: form clean countersinks to prevent cracking and ensure secure screw seating in plastic parts. Notes For results, select the appropriate bit from the set for the material and screw size being used. After use, clean debris from the bits and store in a protective case to maintain edge integrity.