8-piece wood drill bit set, professional automatic twist drill bits 10 mm/12 mm/14 mm/16 mm/18 mm/20 mm/22 mm/25 mm with 1/4-inch hex shank

High-quality wood drill bit – Made of high-carbon steel with a cutting hardness of at least 50 HRC for reliable performance in woodworking projects. Superior performance – Four-flute design for faster drilling and chip removal, with a self-feeding centering tip for quick and precise drilling in wood. Application: The 1/4-inch hex shank fits both electric and bench drills, allowing for quick bit changes and preventing slippage. Suitable for most wood types – Auger bit for professional machining of softwood, hardwood, MDF, solid wood, plywood, plastics, and other wood types.