HHIP cnmgief insert is made of Carbide. Ef chip-breaker specially designed rake angle and an inclined edge angle for machining stainless steel. The edges are sharp making the cutting light and smooth, getting a good control of the chips and obtaining a good surface quality, which makes it most suitable for ultra fine and fine machining of highly adhesive and plastic materials. Xaf795: unique grade material with near perfect wear resistance and high temperature resistance. The nc-tiain coating, ultra fine grain substrate, and unique surface treatment make this grade suitable for high precision cutting of inch difficult to machine" materials, such as stainless steel, etc. Asa insert no is cnmg-433-df. ISO insert no is cnmg120412df. Measures 1/2 inch Length by 3/16 inch width. Hole diameter is 13/64". I.C. Is 1/2". nose radius is 0.0472".