To provide a joining fitting and usage thereof that can be used in both cases where a base sheet is positioned or not positioned directly under a board member, for example, when a fixing bracket of a post is fixed on the board member.
In the whole of a round bar 2 in whose top edge a head portion 1 is installed consecutively, a threaded portion 3 of which pitch is larger and onto which a nut 6 for a screw can be screwed is formed. Further, while the threaded portion 3 with larger thread pitch is formed in an upper portion of the round bar 2 in whose top edge the head portion 1 is installed consecutively, a bolt portion 4 whose diameter and thread pitch are smaller than those of the threaded portion 3 and onto which a nut 7 for the bolt can be screwed is formed in a lower portion of the round bar 2. Furthermore, a drilling portion 5 is formed in a lower portion of the bolt portion 4.
KURASHIGE SHOZO
TSUNOSE HIROSHI
IWASHIMIZU YASUHIRO