本实用新型在拧固后不易松动旋转，有效地提高了轮毂螺栓和轮毂的使用寿命。
The utility model is not easy to loose and rotate after tightening, so as to effectively improve the service life of the hub bolt and the hub.
本实用新型在拧固后不易松动旋转，有效地提高了轮毂螺栓和轮毂的使用寿命。
The utility model is not easy to loose and rotate after tightening, so as to effectively improve the service life of the hub bolt and the hub.
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