We pride ourselves on tackling engineering challenges that push the boundaries of manufacturing. We manufacture 12-meter long carbon steel bolts, designed specifically for medium and large press machines in the automotive industry.

[Characteristics]
● Length: 12 meters
● Material: High-grade carbon steel
● Primary use: Securing the main body of medium and large automotive press machines
● Required Performance: exceptional strength and high durability

[Role in Press Machine Operations]
These bolts play a crucial role in the functionality and safety of press machines:
● Ensuring overall stability: act as the backbone, holding the entire press structure together.
● Guaranteeing long-term reliability: the durability ensures consistent performance over extended periods.
● Supporting safe operations: by securely fastening large components, bolts contributes significantly to workplace safety.

[Manufacturing Process]
● Initial machining: We use large lathes capable of handling up to 14 meters in length.
● Material shaping: The carbon steel is carefully cut and shaped to exact specifications.
● Precision finishing: Our advanced machining centers handle the fine detailing work.
● Stress management: We apply specialized techniques to minimize the effects of temperature changes and stress, ensuring the bolt's integrity over its lifetime.

[Our Approach]
● Integrated production: Our end-to-end manufacturing process ensures efficiency and cost-effectiveness.
● Expert craftsmanship: Our skilled technicians bring years of experience to every project.
● Continuous innovation: We constantly refine our techniques based on our extensive experience in the field.

[Applications]
While primarily designed for automotive press machines, our bolts find applications in various industrial settings:
● Automotive sector: Main body fasteners for large press machines
● Heavy machinery: Critical fastening components for oversized equipment
● Industrial construction: Foundation anchoring for massive industrial machines

Nakagawa Inc. specializes in large-scale precision machining.
●Machining capabilities up to 14 meters in length
●Comprehensive services from material procurement to assembly
●Expertise in difficult-to-machine materials like duplex stainless steel and titanium
●Flexibility to handle small-lot production


Nakagawa Inc.
2024,Kurabemachi, Hakusan-shi, Ishikawa, Japan
Website: https://www.nakagawa-t.com