
Carbide Tct Core Cutter Magnetic Drill Bit/Annular Cutter Bit with Weldon Shank/Universal Shank. Efficient Cutting Performance: Unique cutting edge geometry ensures fast feed rate, less vibration, and smooth hole surface. Super Tough Durability: Made of tungsten carbide for long tool life and superior toughness in metal drilling. Hardened Steel Specialist: Specially designed to effectively cut hardened steel and rail steel. Universal Shank Compatibility: Weldon shank design allows use with most major magnetic drills. Multiple Cutting Depths: Available cutting depths include 35mm, 50mm, 75mm, and 100mm options. Standard Shank Diameter: Features a consistent 19.05mm shank diameter for secure mounting. Sandblasted Surface: Surface treatment is sandblasted for enhanced durability and finish. Plastic Box Packaging: Comes in protective plastic box packaging for safe transport.