摘要 |
PROBLEM TO BE SOLVED: To provide a steel material joint structure, with which the position of a fixing metal fitting can be adjusted even after the fixing metal fitting is fixed to the steel material, and the margin for position adjustment between first and second steel materials can be increased.SOLUTION: A first plate part 31 of a fixing metal fitting 3 is fixed to a longitudinal first steel material 1 with a first fastening member 4. The first fastening member 4 consists of tapping type bolts which tap when they are inserted into first insertion holes formed on the first steel material 1. The first plate part 31 is provided with first loose holes, each of which has a diameter larger than the shaft diameter of the tapping type bolt, and through which the tapping type bolts are loosely inserted. |