Product DescriptionMaterial: Alloy + Carbon SteelDimensions: shank diameter, 12.7 (mm); full length, 58 (mm)Function length: 50.8 (mm)Helix angle: roundShank form: roundShank diameter: 8 (mm)Color: yellowQuantity: 1 piecePackage content: 1 piece * Three-edged T-knifeNote: 1/2 shank is mainly used in the United States, Britain, France and other European and American countries, and 12mm shank is mainly used in Russia, Germany, Spain, Pakistan, and other countries1.High quality: The sharp carbide bit is made of solid hardened steel with an anti-kickback design. Precise cutting reduces debris and burrs.High-precision grinding technology, stable and efficient.2.Precision Size: 8mm Shank spoilboard surfacing router bit, 19mm cutting diameter.3.Practical: 3 wings make a quick and clean cut on your project material, ideal for projects of any complexity.4.Multi-function: This professional floor cleaning cutter bit is not only perfect for flattening, threading or planing the surface of the spoilboard, but also for trimming and slotting / grooving.5.Widely Applications: Suitable for solid wood, MDF, laminate, chipboard, compact plywood, acrylic, etc. Avoid cutting metal and non-wood materials.