SCREW AND SOLAR POWER GENERATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a screw for mounting a piece of equipment to a roofing material by being screwed into a roofing board, which is capable of ensuring a high waterproof performance with a simple method.SOLUTION: Provided is a screw 100 for fixing a mounting bracket 202 to a roofing material 301 which is disposed on a roofing board 303 covered with an underlying material 302. The screw 100 includes: a male screw part 101; a flange part 102 for holding the underlying material 302, which is positioned closer to a base end part than the male screw part 101 and has a larger diameter than the male screw part 101; a shaft part disposed closer to the base end part than the flange part 102; and a head part 104 disposed on the base end part.SELECTED DRAWING: Figure 3