New octagonal inserts  offer eight cutting edges for more economical facing, shouldering, slotting, recessing and chamfering applications.

Inserts combining helical cutting edges, the large axial angle and a rib-type rake face design offer a self-balanced, stable tool for cost reduction and high performance in semi-finishing and finishing of dies, molds and housings.

 The special protruding wiper flat design on each of the eight cutting edges offers good surface finish. Inserts are normally available in the economic M-pressed-and-sintered versions with ground wipers for even higher surface quality. The arrows on the rake face indicate the indexing direction to insure maximal usage of the cutting edges at small cutting depths,  At larger depths - for example, 3.7 mm and more - the number of effective edges is less than eight.

  The rake face of the new insert is equipped with a sequence of depressions to reduce the contact area between the chips and insert rake face to reduce heat penetration into the insert, to reduce friction and to improve tool life. The positive rake angle - in combination with these depressions - also reduces cutting forces and machining power, improves chip flow and extends tool life.                         

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