A cutting assembly that includes a holder containing a coolant delivery passage, and a locking pin, which has a longitudinal locking pin bore in communication with the coolant delivery passage. A clamp assembly attaches to the holder and engages a cutting insert. The clamp assembly has a diverter plate with an integral boss, which has a central boos bore, and an interior passage wherein the central boss bore is in communication with the interior passage. The longitudinal locking pin bore opens to the central boss bore whereby coolant flows into the central boss bore and to the interior passage exiting the interior passage toward the cutting insert.