Coupling for a cooling system in a cutting tool

摘要

A coupling (23) is provided for a cooling system in a cutting tool (21). The coupling includes a fastener (39) including a shank (43) having a first end (45) and a second end (47), the first end (45) of the shank (43) defining the first end (49) of the fastener (39), a head (51) at the second end of the shank (43), a top (53) of the head (51) defining a second end (55) of the fastener (39), a longitudinal passage (57) in the shank (43), and a radial opening (69) in the head (51) in flow communication with the longitudinal passage (57). The application further relates to a blade holder (29).