Carmex Carbide Groove Mill With Internal Coolant - 7.8mm x 1.5mmThe Carmex Carbide Groove Mill with Internal Coolant is a precision cutting tool built for machinists who demand clean, repeatable grooves in a variety of materials. Crafted from solid carbide, it combines durability with reliable performance, even in challenging machining conditions. Diameter: 7. 8 mm with a groove width of 1. 5 mm for precise groove profiles Material: Solid carbide construction for exceptional stiffness, wear resistance, and long