NITTOSEIKO CO., LTD.

We want to be of even more help to our customers.
NITTOSEIKO's technology supports global manufacturing.

NITTOSEIKO is a unique company that specializes in industrial fasteners (screws), automatic assembly machines, measurement and control systems, and cleaning and inspection equipment - areas not covered by other companies. We are a total fastening solutions provider, manufacturing and selling not only screws but also screw manufacturing tools, driver bits, screw tightening machines, assembly equipment, measurement instruments, cleaning equipment, and inspection equipment.

Based on our expertise in fastening technology, assembly technology, and measurement technology, we have established three business divisions and a medical division to develop cutting-edge products. Our operations span both domestic and international markets, supporting the growth of various industries, including home appliances and automobiles, and contributing to the enrichment of people's lives. We will continue to create valuable products for our customers and work together with them to pioneer new frontiers in manufacturing.

<Fastener Division>
We manufacture precision screws, self-tapping screws, lock screws, and other fasteners, as well as dissimilar metal joints and cold-formed fastening components, boasting world-class production capabilities.
In addition to integrated screw production, we also manufacture screw manufacturing tools, in-house screw manufacturing machines, and driver bits.

<Assembly Machine Division>
We offer screw tightening-related equipment such as drivers, arm drivers, single-axis and multi-axis screw tightening machines, screw tightening robots, screw tightening units for collaborative robots, and screw feeders, as well as crimping machines and special assembly devices tailored to customer applications.
As a pioneer in automatic screw tightening machines, we leverage our accumulated technology and expertise to propose the optimal assembly method for our customers.

<Control Systems Division>
Since we began working on water meters in 1949, we have delivered various flow meters to a wide range of industries. In addition to flow meters, we offer a lineup of high-performance products, including fluid measurement equipment, inspection and cleaning devices, and ground investigation equipment, to meet the needs of our customers' manufacturing processes.

<Medical New Business Division>
We have established a dedicated cleanroom factory for the manufacture of medical devices and obtained the necessary licenses and approvals for sales.