Flat bottom tool

A drilling system comprising,

• a tool holder having a longitudinal axis, said tool holder having a first mounting end and a cutting end,
• a drill insert having a rotational axis, and being selectively secured to said cutting end of said holder in a position such that said rotational axis is substantially coincident with said longitudinal axis of said holder, said insert having at least first and second cutting edges, said first cutting edge extending radially from a position adjacent said rotational axis to a first outer end, and said second cutting edge extending radially from a position adjacent said rotational axis in a direction opposite said first cutting edge to a second outer end, and including a web extending between said at least first and second cutting edges through said rotational axis which connects said first and cutting edges to form a cutting surface for forming a substantially flat bottom hole in a work piece.

A drill insert comprising a body member adapted to be secured to a holder for rotation therewith, said body member having a cutting end with at least first and second cutting surfaces having opposed cutting edges, and a web extending between said opposed cutting edges, wherein upon rotation of said insert with said holder, said opposed cutting edges and said web cooperate to form a substantially flat bottom hole in a work piece.