- High-speed steel drill bit set made from industry-grade 6542 steel, significantly harder than standard 4241 HSS, ensuring longer-lasting performance and increased durability. Each bit contains 5% cobalt for enhanced wear resistance. - Includes 6 essential sizes that meet various drilling requirements, compatible with most power drills on the market. Comes with a portable plastic storage bag for organization and convenience. - Versatile for cutting through tough materials such as stainless steel, cast iron, and hard metals, as well as wood, aluminum alloy, tiles, concrete, bricks, plastic, glass, and masonry. - Features a fully ground spiral groove design that minimizes friction and heat buildup, resulting in faster and cooler drilling. The 135-degree split point with a straight shank eliminates the need for a center punch, providing precise and efficient drilling without walk. - Ideal for professionals and DIY enthusiasts tackling projects like metal fabrication, woodworking, tile installation, and construction jobs. Perfect for anyone needing reliable drill bits that deliver superior performance in demanding applications.