Libraton 19PCS Tapered Countersink Drill Bit Set for Woodworking

All-In-One Professional Kit: A comprehensive 19-piece collection designed for seamless woodworking. Includes 6 tapered drill bits (#4 to #12), 2 wood plug cutters, 2 depth stop collars, 7 versatile screwdriver bits, and a magnetic extension holder—everything needed for drilling, countersinking, and finishing.

Nitride-Treated HSS Construction: Forged from industrial-grade High-Speed Steel (HSS) with a premium nitrided surface treatment. This advanced process doubles the service life compared to ordinary carbon steel, providing superior hardness, heat resistance, and maximum rust protection.

Advanced Tapered Design: Features a specialized conical drill bit and a four-edged countersink. This design ensures faster chip removal and prevents wood splitting, creating the perfect pilot hole that matches the screw’s shape for maximum holding power.

Precision Depth Engineering: Equipped with adjustable depth stop collars to ensure perfectly consistent countersink depths across every hole. Includes specific sizes: #4, #6, #8, and #10 bits correspond to 3/8" countersinks, while #12 matches 1/2".

Seamless 82° Countersinking: Achieve a professional 82-degree angle finish in one easy step. Use the included wood plug cutters (3/8" and 1/2") to create matching tapered plugs that completely hide fasteners for a flawless furniture finish.

Universal 1/4" Hex Compatibility: Features a standard 1/4-inch hex shank for quick-change convenience. Fully compatible with impact drivers, bench drills, and handheld power drills.