Feature:1. Widely used for engraving, drilling, milling, cutting of hardwood, plywood, acrylic, plastic fiber, resin, PCB and other materials.2. This 3‑flute flat end milling cutter is especially suitable for 3D relief and complex 3D carving.3. Made of selected tungsten steel material, strong and durable, not easy to break.4. Round shank design, can be used in a variety of tool holder systems, a wider range of applications.5. Great workmanship, perfect replacement for the old one and has a long service life.Specification:Item Type: 3‑Flute Flat End Milling CutterMaterial: Tungsten steelProcess: Ti platingSpecification: 3.175 x 3.175 x 8 x 40Shank Diameter: Approx. 3.175mm / 0.1inCutter Tip Diameter: Approx. 3.175mm / 0.1inBlade Length: Approx. 8mm / 0.3inTotal Length: Approx. 38 ~ 40mm / 1.5 ~ 1.6in Package List:5 x 3‑Flute Flat End Milling Cutter