Patent ID: 8919606

Claim:
A hole plug for plugging a hole of a plate material, comprising: a head portion; a leg portion including a cylindrical inner wall downwardly protruding from the head portion, and having a folded portion provided at a lower end thereof and formed as a rigid-body portion; and an outer wall extending upwardly from the folded portion along the inner wall to form a gap between the inner wall and the outer wall, and having locking claws arranged on the outer wall to be spaced apart from each other, an outer wall upper portion, and a bendable thin-walled portion arranged between the outer wall upper portion and the folded portion, between the locking claws; and a flange portion protruding outwardly from an upper end portion of the outer wall of the leg portion, wherein the thin-walled portion is thinner than the inner wall and the outer wall upper portion, and is longer than the folded portion relative to an insertion direction of the hole plug, and after the leg portion is inserted, for locking, to the hole of the plate material, when the folded portion is pushed upwardly, the thin-walled portion is bent elastically to change from a first usage condition in which the outer wall is locked in the hole with the locking claws in a non-bending state, to a second usage condition in which the locking claws are pushed outwardly to thereby firmly contact the locking claws with an edge of the hole.