Feature: 1. Using tungsten steel materials strong and durable increase the service life of the product. 2. Wide range of applications suitable for processing industry greatly improving processing efficiency. 3. The tungsten steel bar can be embedded in the original edge of the end milling cutter and can be replaced. 4. Can be regarded as an accessory of the end milling cutter is used to inlay on the edge of the end milling cutter for cutting. 5. Convenient to use and with good performance with small size easy to carry and store. Specification: Item Type: Spiral Tungsten Steel Bar Material: Carbide Cutting Edge Form: Milling Helix Angle: 45° Weldable Alloy End Mill Diameter: Approx. 25mm / 1in Tungsten Steel Bar Length: Approx. 80mm / 3.1in Package List: 1 x Spiral Tungsten Steel Bar