- This set of cobalt drill bits includes sizes ranging from 12mm to 19.5mm, making it ideal for a wide variety of drilling tasks, whether in metalworking, woodworking, or construction projects. - Each bit features a 1/2-inch diameter and a reduced shank design that ensures precise and efficient drilling, allowing for clean holes and reduced risk of bit slipping. - Crafted from M35 material, these drill bits offer exceptional hardness and durability, providing long-lasting performance even under demanding conditions. - The 15.5mm size is particularly favored by users for its versatility, suitable for both professional applications and DIY projects like installing hardware or creating pilot holes. - Sold as a single piece, this drill bit is perfect for individual use or as a reliable replacement in your tool kit, ensuring you can tackle tasks without delay. - Use these drill bits for drilling into tough materials, including stainless steel or hardwoods, making them a must-have for fabricators and woodworkers alike. - Compatible with standard drill chucks, they can easily integrate into your existing workshop setup, ensuring you have the right tool at your fingertips when needed.