Low-cost and high-functional fastener pursuing fastening.
Bolt with advanced technology such as workability improvement during fastening and hexavalent chromium-free surface treatment.
Aoyama's nuts can be used for parts assembly such as welding, clinching, and tightening.
They prevent the separation of paint film and loosening and contribute to the reduction of the total costs in the production process.
Self tapping screws can be used for various counterpart materials such as resin and aluminum. The shape of the screw head having a high locking effect improves the quality of vehicles and the stable driving torque enhances the workablity of tightening.
Plastic / Plastic inserted metal fasteners
In addition to the Plastic fasteners, we meet various needs including reliability and weight reduction through our unique technology combining metal and resin.