Spade drill insert and spade drill with chip control geometry

摘要

A cutting tool or drill insert (40) with chip control geometry comprising a body including a portion securable in a holder and a forward portion (41). The forward portion (41) defining at least one cutting edge (49) extending from the central axis of the body to an edge of the body. A chip groove (44) is defined by the surface of the body adjacent to the cutting edge (49). The chip groove (44) incorporates chip control geometry as spaced apart elongate projections (45).