Carbide Grooving Inserts Cut-Off & Grooving Width 0.5mm TKF12R050 For Mini Lathe The blades are made of tungsten carbide and are ground and processed by professional tool grinding machine. The edge is sharp, the edge is water drained and polished, and the surface is treated with composite coating. Wear-resistant, high temperature resistant. Width of cutting edge 0.5mm, machining depth 3mm. The main processing materials are carbon steel, stainless steel, copper, aluminum and other materials. For KTKFR1212JX-12 Grooving Tool Holder TKF12R050-S 10PCS On Oct 11, 2025 at 01:39:03 PDT, seller added the following information: