Aoyama's bolts incorporate state-of-the-art technologies, achieving fastening workability improvement and hexavalent chromium-free surface treatment.

A wide variety of Aoyama's nuts can meet the needs of many automotive applications. Some of the Aoyama nuts have paint-removing function and anti-loosening features, which contribute to total cost reduction in the production process.

The self-burring screw that fits various types of materials to be attached to such as plastic, aluminum, etc. Improvement of vehicle quality and fastening workability with stable fastening torque is achieved by adoption of screw thread shape of high loosening-proof effect.

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