Proposals for Problem Solutions

Find the Right Part

By Shape

- Collars & Nuts
- Gears
- Bolts
- Precision Parts
- Others

By Material

- Steel
- Copper
- Brass
- Stainless Steel
- Aluminum

By Application

- Automotive
- Construction & Housing
- Electronics
- Original Products
- Others

Manufacturing Methods

Our Methods

cold heading

Cold Heading

Forming metal at room temperature under high pressure.
This increases material strength, achieves precise shapes, and minimizes secondary processing — reducing cost while   maintaining high quality.

tapping process

Tapping

Forming internal threads in pre-drilled holes using taps.
Produces high-precision threaded holes at high volume,ideal for components requiring threaded assembly.

rolling process

Thread Rolling

Forming threads and gear profiles with rolling dies under pressure. Because material is shaped rather than cut, waste is minimal, strength is improved, and high precision is achieved at scale.

NC machining

NC Machining

Precision cutting of metal and resin under numerical control.
Tool paths are programmed to reproduce complex geometriesaccurately, making it well suited to high-mix, low-volume production.

Empowering Innovations

Creating Value Through Innovation

In-House Die Production

Shorter lead times and greater design freedom,   delivering high quality at speed.

Engineering & Development

Fully in-house development, pursuing quality, cost, and delivery without compromise.

Advanced Equipment × Original DX

High-speed tapping machines, full-inspection systems, and production management software — all developed in-house.

Global Operations

Our Philippine plant combines cost advantage with international capability to meet diverse requirements.
A New Century of Challenges Begins

Technology and trust in every component.
Breaking through limits, evolving without pause.
The pursuit of quality opens new possibilities.
A century of challenge behind us.
Innovation carries us into the next hundred years.

Recruit

採用情報

山口ナットでは、
顧客信頼度No.1を目指し、品質と安全性を最優先に、
未来の金属製品を共に創り上げる新たな才能を募集中です。
技術革新と社会貢献に興味がある方のご応募をお待ちしています!