About NITTOSEIKO

The NITTOSEIKO Group's core technologies are supported by four divisions. These divisions are the Fastener Division, the Machinery Division, the Control System Division and the Medical Division.
We are also committed to providing total solutions to our customers' issues, not biased toward one or the other, but across the boundaries of our businesses.

NITTOSEIKO in numbers

Founding 1938

Founded in

1938

2.2 billion

The number of industrial fasteners
produced per month :

2.2 billion bottles

9 countries

Overseas locations in

9 countries
9 countries

Selling place in

37 countries

Number of patents

The number of patents

  • in Japan
  • 189
  • other than Japan
  • 48
group company

35 corporate groups

Characteristics of each business

Screw products (industrial fasteners)

NITTOSEIKO has manufacturing plants in five bases overseas and boasts one of the biggest production capacities in the world.

Major
Products

  • Precision screws
  • TAPTITE® series
  • Loose-proof screws
  • Special cold forged parts
  • Screw manufactring tools

Automated assembly systems

The company also has many proven results in the building of large-scale lines and is the top manufacturer for screw fastening machine automation. We work together with the customers to build the optimal assembly methods.

Major
Products

  • AC servo screw drivers
  • Automatic screw driving machines
  • Screw driving robots
  • Automated assembly systems

Inspection Equipment

With our fluid measurement systems, various inspection and cleaning machines, we respond to the requirements of customers for quality improvement and a reduced burden on the environment.

Major
Products

  • Flowmeters
  • Measurement systems
  • Instrumentation systems
  • Inspection systems
  • Micro-bubble washer

Medical Products

Our philosophy is to fulfill our responsibility to society through the supply of medical equipment.

Main
Products

  • Medical illuminators