Screws, such as bolts and nuts, are used all around us. It can be for the space rockets, for wrist watch, for glasses, for toys, and for inside of our body due to medical treatment. Depends on its use, there are various specifications on its shape, its size, its surface treatment, and its strength. Screws have thousands of forms and conditions.

Quality of the screws is specified in JIS (Japanese Industrial Standard). In the production of thousands of screws, it must satisfy customer’s drawings for sure, and its quality needs to be constant simultaneously.

In recent years, environmental issues became one of the most concerned topics, and there are serious demands on prevention of pollution, such as water and soil. In the screw production, now it is required to reduce environmental burden, to keep corporate compliance, and not to use specific chemical substance, now.

As time goes by, social requirement for screws is always changing. Yahata Fastener Indonesia tries our best to improve and prepare to meet social demands. Through installation of new facilities, it is possible to examine various tests and inspections. It is our motto to assure all customers to supply safe and good quality screws.

Our original OEM products, YT series, are also based on our quality passions. Our throughout quality management of supplier, such as process audit and sample examination, we assure its quality.


Machine name
Tensile Strength Machine 30tons
Material analysis machine
Image measure machine
Salt spray test machine
Plating thickness measure machine
Concentricity measurement instrument
Height gauge
Vickers hardness tester
Plug gauge and ring gauge for each size (made in Japan)
Digital micrometer and digital caliper (made in Japan)