Features: Engineered with a robust 8mm 4 flute T slot cutter design, this woodworking router bit delivers 4x faster chip removal and smooth finishes for accuracy grooving in hardwoods and engineered materials. The oversized cutting diameter features heat treated high speed steel construction, combining excellent wear resistance with vibrations dampening stability during prolonged milling operations. Professional cabinetmakers and serious craft enthusiasts will appreciate the generic 8mm shank compatibility with most routers and manual milling machines. Perfect for creating seamless T track joints in workbench systems, decorative fluting on architectural moldings, and accuracy dados for cabinet assembly projects. Backed by industrial grade carbides reinforcement at critical stress points, this multipurpose milling cutter maintains piercing edges through extended woodworking projects on maple, and composite materials. Specifications: Materials: Steel. Shank Diameter:Approx.8mm/0.31inches Cutter Head Diameter:Approx.31.7mm/1.25inches Height:Approx.80mm/3.15inches Blade Length:Approx.2.5mm/0.1inches, 3mm/0.12inches, 3.5mm/0.14inches, 5mm/0.2inches, 6mm/0.24inches Type: 6 Types Optional, Please Refer to Pictures to Select Package Includes: 1/5Pcs Woodworking Milling Cutter note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the differences between different monitors, the picture may not reflect the actual color. Thanks!