Screw fastening structure and component for vehicle

Abstract

A screw fastening structure that fastens at least a first member and a second member using screw, the first member includes a boss protruding toward the second member and a screw hole through which a screw is screwed on a tip of the boss, the second member includes a through-hole through which the boss passes, a cylindrical part protruding from a periphery of the through-hole over the entire circumference, and a plurality of projection portions disposed on a tip side of the cylindrical part in a circumferential direction and protruding further than the tip of the boss passing through the through-hole, and when the screw is screwed into the screw hole and the head portion of the screw abuts the tip of the boss, a head portion of the screw is fastened in a state in which the tip sides of the plurality of projection portions are crushed.

Dependencies are inferred from the claim text.