WHEEL MOUNTING BOLT AND WHEEL MOUNTING STRUCTURE

摘要

A wheel mounting bolt includes a male thread portion, a collar portion, an engagement portion, and a protruding shaft portion. The male thread portion has a first end portion and a second end portion opposite to the first end portion in an axial direction of the male thread portion to be threadedly engaged, from the first end portion, with a female thread portion of a hub. The collar portion is provided between the first end portion and the second end portion of the male thread portion to fit into a bolt insertion hole of a wheel. The engagement portion is provided at the second end portion of the male thread portion integrally with the male thread portion to be gripped by a fastening tool. The protruding shaft portion protrudes from the engagement portion toward a direction opposite to the first end portion and is provided with male threads.

主权项

1. A wheel mounting bolt comprising:
a male thread portion having a first end portion and a second end portion opposite to the first end portion in an axial direction of the male thread portion to be threadedly engaged, from the first end portion, with a female thread portion of a hub; a collar portion provided between the first end portion and the second end portion of the male thread portion to fit into a bolt insertion hole of a wheel; an engagement portion provided at the second end portion of the male thread portion integrally with the male thread portion to be gripped by a fastening tool; and a protruding shaft portion protruding from the engagement portion toward a direction opposite to the first end portion and provided with male threads.