Pro Edge 6pcs Annular Cutter Set, 1 Cutting Depth, 1/2 to 1-1/16 Cutting Diameter, M2 Mag Drill Bits for Magnetic Drill Press with 2 Pilot Pin & 1 Hex Wrench, for Steel, Aluminum, Copper

¡¾Cost-effective combination¡¿: A combination of six commonly used sizes of annular cutters with a 1-inch cutting depth(1/2, 9/16, 11/16, 13/16, 15/16, 1-1/16). It also includes 1 piece of 1/4¡± hex wrench and 2 pieces of 6.35mm x 77mm pilot pins.
¡¾M2 HSS¡¿: M2 high-speed steel has excellent hardness (usually 62 - 65 HRC), toughness and wear resistance after heat treatment.(2-3x Longer Life than normal HSS Drill Bits£¡)
¡¾Weldon Shank¡¿: The design of the Weldon Shank effectively reduces vibration and deviation of the sheet metal drill during high-speed rotational cutting, ensuring machining precision. It is easy to install and compatible with most brands of magnetic drill machines on the market, such as Alfra, BDS, Dewalt, Hougen, VEVOR, S&F.