Carmex Carbide Groove Mill With Internal Coolant - 16mm x 1.95mmThe Carmex Carbide Groove Mill With Internal Coolant is a precision grooving tool designed for machinists who need clean, reliable grooves in a variety of materials. Its robust carbide construction and integrated cooling system deliver consistent performance in challenging machining conditions. Size: 16 mm x 1. 95 mm Material: Solid carbide for high rigidity, wear resistance, and long tool life Flutes: 35 spiral flutes for efficient material removal