3-3/8" DEWALT Hole Saw Bit (D180054) $5.00 w/ Prime shipping at Amazon

🛢 DURABLE - It features an enlarged bi-metal section and high cobalt HSS teeth that offer fantastic performance and long-lasting durability. Each hole saw is crafted with hardened backing plates to prevent warping and threading. Two pilot drills are made of premium high-speed steel for precise positioning and rapid drilling, providing a much longer life., 🛢 OPTIMIZED TOOTH DESIGN - Precision-ground tooth design makes the cutting surface more smooth and even. These saws also feature bi-metal material that cuts both wood and metal with speed and ease. Especially suitable for sheet metal cutting: the cutting depth is 0.08 ~ 0.2 inch, depends on the hardness of the metal and choice of the drill (Bench/Pistol)., 🛢 FAST LOADING MECHANISM - The hole saw adapts a new type of quick loading mechanism that allows fast loading without any installation of washers or nuts. The thread design keeps the hole saw more stable when cutting, which makes the cutting hole more standard., 🛢 CONVENIENCE - The saw features a small quick change mandrel, a large quick change mandrel, all wrapped up in a convenient carrying case, which allows you to keep all of your parts organized. Saws are marked with both Imperial and Metric measurements., 🛢 WHAT YOU GET - The set comes in a strong storage case. It contains many popular hole sizes, including 3/4”, 7/8”, 1-1/8”, 1-3/8”, 1-1/2”, 1-3/4”, 2”, 2-1/4”, 2-1/2”; In addition there are a large pilot drill and a small size pilot drill. The entire set of hole saw can meet your needs, ideal for cutting workpieces like sheet metal, Aluminium, wood, plastic, plasterboard, etc

Impact ready bits with FlexTorq have increased durability, CNC machined resulting in accurate manufacturing for optimal fit into screw recess, Extended FlexTorq Zone transfers optimal torque, Typical applications include wood and metal