Enhance your machining precision with the Hertel WPMT3251 HP210B Carbide Boring Insert. This professional-grade insert features a sophisticated multi-layer coating of TiN/TiC/TiCN/TiN for superior performance and durability. The 80-degree trigon design, combined with a precise 1/64-inch corner radius and 3/8-inch inscribed circle, delivers exceptional cutting capabilities. At 5/32-inch thick and engineered with an 11-degree relief angle, this boring insert provides optimal chip evacuation and cutting efficiency. The solid carbide construction ensures reliable performance in demanding applications. This versatile insert is ideal for professional machinists and industrial applications where accuracy and consistency are paramount.