To provide a door-mounting fixture having improved strength and durability, wherein a position of the door can easily be adjusted.

The invention is composed of a door-supporting member 30 formed integrally of aluminum for pivotally supporting the door, a slide part 24 provided on the door-supporting member 30 and a case body 16 into which the slide part 24 is inserted. Furthermore, the invention includes a slide-receiving part 12 provided in the case body 16 and slidably holding the slide part 24, an oval-shaped locking hole 20 formed in the slide-receiving part 12 and an uneven-shaped engaging part 22 formed on an inner side of the slide-receiving part 12 facing to the slide part 24 and linearly located. On a side face of the slide part 24 facing to the engaging part 22, a curved engaging part 32 formed in a round face opposing to the engaging part 22 and also having an evenness on the surface for engaging the un-evenness of the engaging part 22 is provided. The both sides of the top parts of the round face of the curved engaging part 32 have a pair of insertion holes, into which a pair of adjusting bolts 42 are inserted through the locking hole 20, so as to fix the slide part 24 with a nut.