Meidoh Co., Ltd.

Katsuhide Takei

Koji Makino

Akihiro Futamura

Masataka Kondo

Shungo Maki

Shun Nishimura

A bolt which can prevent seizure is provided due to the bolt being installed obliquely. A guide portion is formed between a groove portion formed at a distal end portion of the threaded portion and a surface end position on a base end side of the tapered surface, a starting end portion of the guide portion being an intersection between the surface end position on the base end side of the tapered surface and a helix according to the groove portion, a terminal end portion of the guide portion overlaps with the distal end portion of the threaded portion, an angle in the direction around the axis of the bolt from the starting end portion to the terminal end portion is set in the range of 90&#xb0; to 360&#xb0;.

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Toyota, Japan

Katsuhide Takei