Item Type: 6-Flute Router Bit Material: Cutter head YG8 protogenic alloy, cutter body 45 carbon steel Color: Blue Surface: Sprayed with plastic Uses: Used for wood slotting Size: 1/2x65x5: Approx. 6.35cm / 2.5in 0.48cm / 0.2in 0.79cm / 0.3in 1.27cm / 0.5in 5.4cm / 2.1in 12x65x5: Approx. 5mm / 0.2in 65mm / 2.6in 8mm / 0.3in 12mm / 0.5in 53mm / 2.1in Package List 1 x 6-Flute Router Bit 1Made of YG8 alloy +45 carbon steel highquality material, strong and durable 2Industrial grade Tslot milling cutter head. The carbide tip possess of sharpness cutting edge, high hardness and long life 3Solid hardened steel (45+hardness) body, com with backlash designs, possess high efficiency 4Suitable for electric milling machine, engraving machine, trimming machine, CNC and other automatic milling machine. All drill shanks must be inserted full length into the collet 5The router bit is used for wood slotting, practical and durable, saving both time and labor