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Countersink Drill Bit Set with Depth Stop 4PCS, HCS Four Blades Countersink Bits with Adjustable Depth Stop and L Shape Wrench, Wood Countersink Bit Set for Wood, Plastic, Woodworking 4PCS Four Blades Countersink Bits
The WildBossy Countersink Drill Bit Set is built for cleaner screw seats and more consistent results when you need a pilot hole and countersink that match. This 4-piece set combines tapered M2 HSS pilot drill bits with sharp HCS cutting edges to help create smooth countersinks and counterbores for screws that follow the 82-degree imperial (U.S.) standard.
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Each bit includes an adjustable depth stop so you can dial in both drilling depth and countersinking depth using the included hex screws and L-shaped wrench. That extra control is especially helpful when you’re trying to keep screw heads flush across a project or prevent going too deep into finished surfaces.
It’s designed for a wide range of materials including natural wood, engineered wood, MDF, particle board, plywood, aluminum, non-ferrous metals, and decorative materials. For best edge quality, the brand recommends running countersinks at a slow speed of about 200 RPM.
4-piece set with tapered M2 HSS pilot drill bits: 7/64″×3/8″, 1/8″×3/8″, 9/64″×3/8″, 5/32″×3/8″
Four-blade countersink design with sharp HCS edges for smooth countersinks and counterbores
Adjustable depth stop for more consistent drilling and countersinking depth control
82-degree cutting angle designed to match imperial (U.S.) standard screw seating
If you’re outfitting a woodworking kit or upgrading from a basic countersink, this set is a practical pick for repeatable results—especially when you want consistent depth and a clean, professional-looking finish.
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