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Get it between 2025-07-30 to 2025-08-06. Additional 3 business days for provincial shipping.
【Set Includes】Our premium 4-piece Countersink Drill Bit Set features M2 HSS tapered pilot drill bits in sizes 2.8MM×8MM, 3.2MM×8MM, 3.2MM×10MM, 4.0MM×10MM,
【Premium Materials】Constructed with M2 HSS, the pilot drill features a helical chip design for efficient cutting. The sharp tungsten carbide alloy edges ensure smooth countersinks and counterbores, making it ideal for screws conforming to the 82-degree imperial (U.S.) standard.
【Adjustable Depth】Both drilling and countersinking depths can be easily adjusted using hex screws and depth control stops, providing enhanced flexibility for various tasks and applications.
【Versatile Applications】Suitable for a wide range of materials, including natural wood, engineered wood, MDF, particle boards, plywood, aluminum, non-ferrous metals, and decorative materials, this set is perfect for diverse woodworking and drilling projects.
【Usage Tip】For optimal performance and clean edges, operate the countersinks at a slow speed of approximately 200 RPM.