Global Aoyama
IAF History
Processes
Demo Table
Testing / Developed Parts
100

ASJ was founded in this year.

1950


100

IAF history is broken down into this many phases.

3

100

Threads are applied during this process.

Thread Rolling

100

The Aoyama anti-cross threading feature.

Navitite

100

This machine is used to test the corrosion resistance at IAF.

Salt Spray Cabinet

200

The European representative of the Aoyama group.

ACZ

200

The first shipment of parts was sent in this year.

1997


200

In surface treatment the acronym BZ stands for.

Barrel Zinc

200

This feature reduces cross threading as well as clearing contamination in the female threads.

Fluted R-Navitite

200

Core and Surface hardness are measured using this.

Hardness Vicker

300

There are this many plants outside of Japan.

5

300

The last expansion was was completed in this year.

2015

300

Quality is ensured at at all process by using this.

Quality control by process

300

The pierce nut eliminates the need for this process.

Welding

300

Weld nut with a plastic lid to prevent PVC coating from penetrating into the threads.

Open lid nut

400

All tooling for the Aoyama group is manufactured here.

Chukyo Plant

400

These two OEM accounts were started in 2000.

Honda & Ford

400

This makes hardened steel softer and less brittle by reheating.

Tempering

400

This is the key feature for the function of navitite.

Guiding thread

400

A screw that securely fastens a modular component to the car body.

Space Adjusting Screw

500

The newest plant specializing in fasteners for the EV market.

Seiki Plant

500

IAF started producing engine bolts in this year.

2005

500

A process used to reduce the cross section of wire by pulling the wire through a series of dies.

Drawing

500

Specially designed self thread forming screw.

ET Screw

500

Weld nut with developed groove structure allowing less than 0.025mm clearance.

Zero Gap Weld Nut

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