A TOOL WITH A NON-CIRCULAR CONNECTING END

摘要

The present invention relates to tools with replaceable tips and, more particularly, to arrangements for securing replaceable tips to tip holders. The tool comprises a tip (23) including a working end (25), a connecting end (27), and a radially extending abutment surface (31); a tip holder (33) including a mating end (35) for mating with the connecting en (27) and a radially extending supporting surface (37) for abutting against the abutment surface (31) to limit axial movement of the tip (23) relative to the tip holder. The connecting end (27) is non-circular and includes a groove (29). The tool includes an assembly including the tip (23) and the tip holder (33) arranged such that, upon relative rotation of the tip and th tip holder in a connecting direction, an axial force is exerted on the groove (29) and causes the abutment surface (31) to move toward the supporting surface (37).