Insert Style: :CNMG Corner Radius (mm): :0.8 Chipbreaker: :E-M Grade: :T8430 Material Application: :Steels; Cast Irons; Hardened Materials Application: :Medium ISO Code: :CNMG120408 Number of Edges: :4 Manufacturer Part Number: :CNMG 432-M:T8430 Brand: :Dormer Pramet Double-sided negative turning insert, 80 rhomboid with inscribed circle diameter of 12.7mm, 4.76mm thick, 0.8mm nose radius, indexing accuracy according to ISO-tolerance class-M, chip-breaker M with rounded cutting edges, in grade T8430, a PVD coated fine grained WC-Co carbide within ISO range P20 -P40, for fine to heavy machining of steels