Golf club with interchangeable head-shaft connection

A golf club comprising:

• a club head;
• a tube mounted in the club head, the tube being composed of a metallic material and including a rotation prevention portion and a tapered portion, the rotation prevention portion defining a keyway having a non-circular configuration, the tapered portion projecting radially into the tube;
• a shaft removably coupled to the club head;
• a sleeve mounted on a tip end of the shaft and disposed between the shaft and the tube, the sleeve being composed of a metallic material, a lower section of the sleeve including a keyed portion and a frustoconical portion, the frustoconical portion including a lower end of the sleeve, the frustoconical portion extending along at least one eighth of the length of the lower section, the frustoconical portion being received in the tapered portion of the tube, the keyed portion being received in the rotation prevention portion of the tube, the keyed portion having an external configuration complementary to that of the keyway to prevent rotation of the shaft relative to the club head;
• and
• a mechanical fastener removably securing the sleeve to the tube.