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They are made from premium CW6 cutting grade tungsten carbide. The inserts can be used on all types of downhole bladed mills. Designed for ultimate flexibility, they have a 7° rake that can be oriented to provide either aggressive positive cutting or robust negative cutting. Furthermore a 7.5° relief angle facilitates use on diameters as small as Ø2 1/4". A setting gauge is available to assist alignment of inserts when positioning on the mills.
The inserts are available plain or copper coated for ease of brazing