Patent ID: 8585511

Claim:
A golf club head comprising: a head main body formed with a hosel column inserting hole which is recessed from an upper end surface of the hosel portion; a hosel column which is formed with a shaft inserting hole and is attachably and detachably installed on the hosel column inserting hole; a bolt inserting hole penetrating from a sole side of the head main body to the hosel column inserting hole; and a bolt which is inserted into the bolt inserting hole and is screwed into the hosel column to fix the hosel column to the head main body, wherein: the hosel column includes a trunk portion provided with a shaft inserting hole, and a leg portion which protrudes from a lower end surface of the trunk portion and is inserted into the hosel column inserting hole; at least a lower end side of the leg portion and an inner portion of the hosel column inserting hole are polygonal sectional shape portions and are engaged with each other; and an elastic body interposed between the regular polygonal pyramid portion of the hosel column and the regular polygonal pyramid portion of the hosel column inserting hole, wherein: a diameter of the leg portion is smaller than that of the trunk portion; an inner peripheral surface of an upper portion of the hosel column inserting hole and an outer peripheral surface of an upper portion of the hosel column are cylindrical portions, respectively; and lower sides of the cylindrical portions are regular polygonal pyramid portions that shrink toward a lower part.