Premium Material Made of solid hardened steel, durable. High precision and great strength. High quality and sturdy - Industrial grade router bits, high quality carbide cutter with brazing for maximum strength. Product FeaturesStable precision, fine workmanship, durable rust, clean cutting , smooth rotation, fast operation, significantly improved service life. The cutting material has no burrs. Product FeaturesStable precision, fine manufacturing, durable rust, clean cutting, smooth rotation, fast operation, significant improvement in service life of life. The cutting material has no burrs. SizeShank diameterAbout 8mm. High strength; Head diameter: 6mm, 8mm, 10mm, 12mm, 14mm, 18mm, 20mm. Professional woodworking tools 7 types of cutting heads for different applications , to meet a variety of cutting needs. Mainly used for cutting and smoothing a variety of materials such as wood, plywood, MDF and other wood composite materials, etc. Premium quality material Made from strong, durable hardened steel. High precision and high strength. High quality and robust Industrial grade router bits, high quality carbide cutter with brazing for maximum strength. Product features< /p> Stable precision, fine manufacturing, durable rust, clean cutting, smooth rotation, fast operation, significant improvement in service life. The cutting material has no no burrs. Professional woodworking tools 7 types of cutting heads for different applications, to meet a variety of cutting needs. Mainly used for cutting and smoothing a variety of materials such as wood, plywood, MDF and other wood composite materials, etc. Features: Materials: hardened steel structure. Shaft diameter: Approximately 8 mm. Head diameter: 6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 18 mm, 20 mm. Contents: 7 x Straight burr bits (6 mm, 8 mm, 10 mm, 12 mm, 14 mm, 18 mm, 20 mm) Advantage: Good quality: reinforced hard metal cup and carbon steel shank Precision ground shank for stable grip in the collet. Ideal choice for all woodworkers, carpenters, interior builders and other DIY enthusiasts. For watering and grooving, for refining wooden projects. With our 8mm router bit, the absorption of all common brands and power tool routers is guaranteed. Note on use: The rotation speed of the cutter must be adapted to individual use, for example depending on the workpiece and the feed speed.< /p> When milling, temperatures are often very high due to the high friction, so the milling area must be cooled properly.