ROTATABLE CUTTING TOOL WITH CONTINUOUS ARCUATE HEAD PORTION

摘要

A rotatable cutting tool (20) for use in impinging earth strata wherein the rotatable cutting tool includes a cutting tool body (22) and a hard tip (30) affixed to the cutting tool body (22). The cutting tool body (22) includes a forward end (24) for receiving the hard tip (30) and a rearward end (26), a head portion (32), a collar portion (38), and a shank portion (44). In one aspect, the head portion (32) includes a continuous arcuate outer surface (60) providing a slim profile.