Features Durable Construction: Made from YG6 alloy and 45# carbon steel, this router bit ensures exceptional strength and longevity for all your woodworking projects Precision Cutting Edges: The industrial-grade T-slot milling cutter head features fine cutting edges designed for high hardness, providing clean and accurate cuts every time Versatile Grooving Design: Specially designed for grooving and trimming wood, this woodworking cutter excels in various applications, making it a must-have for any woodworker Compatibility with Machines: Ideal for use with electric milling machines, engraving machines, and trimming machines, ensuring seamless operation across different setups Ideal for CNC Use: This 1/4 shank router bit is compatible with CNC and other automatic milling machines, maximizing efficiency and precision in your woodworking tasks Features: 1、YG6 alloy +45# carbon steel material, strong and . 2、Industrial grade T？slot milling cutter head. Fine cutting edges, high hardn and long life. 3、Steel (45+ hardn) body, special designed for grooving and trimming of wood 4、Used in electric milling machine, engraving machine, trimming machine, 5、Suitable for CNC and other automatic milling machines.The shank of all drill bits must be inserted full length into the collet chuck. Specification: Condition: 100% Item Type: Router Bit Material: Cutter head YG6 alloy, cutter body 45# carbon steel Color: Dark green Purpose: Used for wood slotting and trimming 4pcs / set Specification: 1/4 x 40 x 1/4 1/4 x 40 x 5/16 1/4 x 40 x 3/8 1/4 x 40 x 1/2 Package List: 4 x Router Bit Package List 4 x Router Bit