Male/female tool coupling for rotary tools

A rotary tool comprising first and second tool bodies together defining a center axis and being clamped together in an axial direction by a force-applying member, wherein the first tool body including an axially extending male part, and the second tool body including an axially extending female part in which the male part is received;

• and first and second guiding structures for guiding the first and second tool bodies relative to one another in the radial direction;
• the first guiding structure including radially outer interengaging guide surfaces disposed on the first and second tool bodies at a location adjacent outer circumferences thereof;
• the second guide structure including radially inner interengaging guide surfaces connected to the male and female parts, respectively, wherein the first and second tool bodies include first and second end surfaces, respectively, facing each other and disposed in non-contacting relationship when said first and second tool bodies are connected, and wherein the radially outer interengaging guide surfaces comprise a generally axially extending ridge on one of the first and second tool bodies, and a groove disposed in the other of the first and second tool bodies and in which the ridge is disposed.