- Durable Hard Alloy Construction : Crafted from high-quality cemented carbide, this cutter head boasts a hardness rating of up to 45HRC. Its triangular design reduces resistance, enhancing work efficiency and ensuring superior wear resistance compared to standard drill bits. - Precision Engineering : Each drill bit features a finely polished surface treated with an electroplating process. This treatment protects against rust, significantly extending the lifespan of the drill bits. - Comprehensive 10-Piece Set : This set includes drill bits in six essential sizes: 5/32" (4mm), 3/16" (5mm), 1/4" (6mm), 5/16" (8mm), 3/8" (10mm), and 1/2" (12mm), providing versatility for various drilling tasks. - Innovative Design Features : The U-shaped drain groove and spiral handle design facilitate efficient chip removal during operation, resulting in smoother drilling and improved performance. Applications : Ideal for professionals and DIY enthusiasts, this drill bit set is perfect for woodwork, metalworking, and home improvement projects. Use it for drilling precise holes in furniture assembly, cabinetry, or even automotive repairs. Whether you are working on intricate designs or heavy-duty tasks, this high-performance drill bit set meets all your drilling needs with reliability and ease.