With 4 cutting edges and tangential cutter design, Square T4-08 Helical is suited for machining such materials as cast iron, steel, and stainless steels in slotting and contouring/shouldering applications. Design of pocket seats, combined with multi-edge inserts, optimizes cutting stability and allows clean, 90° walls. Options include normal and close pitch variations, M08 and MD08 insert geometries, and MP3000, MK2050, and F40M grades. Cutting diameters range from 0.98–2.13 in.