To provide a support metal fitting of support bar mounting type having a simple structure, easily mountable on an existing support bar, with excellent support strength.

This metal fitting 1 mounted on an existing support bar and supporting a supported member is provided with a mounting part 2 fittable in the support bar and engagedly holded with the bar by means of a force applied to the axial direction at the position deviated from the bar, and a support part 8 provided connectedly in a side apart from the mounting part 2 and supporting the supported member.