Enhance your boring operations with the Hertel TPCB220.1 HP520B Solid Carbide Boring Insert. This precision-engineered insert features a TiN coating that provides superior wear resistance and extended tool life during machining applications. The 60° triangle design offers excellent stability and cutting performance, while the 0.002" corner radius ensures clean, precise boring results. With a 1/4" inscribed circle and 3/32" thickness, this insert is perfectly sized for a variety of boring applications. The 11° relief angle reduces friction during cutting operations, resulting in improved surface finishes and reduced heat generation. Manufactured by MSC Industrial under the trusted Hertel brand, this high-quality boring insert is designed for professional machinists who demand reliability and precision in their tooling solutions. Ideal for both production environments and precision machining shops where consistent performance is essential.