MOBIO booth No. : North facility 1st floor 24

NANIWA IRON WORKS CO., LTD.

Product line

Eye Bolt

Multi Eye Bolt

Ultimate Eyebolt

Japanese

President

Tadahiko Horikawa

Contact

Description of business

NANIWA provides an integrated production services—from die design to hot forging, secondary machining, and surface treatment—supporting everything from prototypes and one‑off parts to full mass production. Japan’s No.1 market share in eye bolts.
Using its patented Multi‑Eye Bolt and precision hot‑die forging technology, NAMIWA manufactures and supplies high‑quality fastening components.

Hot‑die forging

Machining

Forging technology

Ultimate Eyebolt

Products and Technologies

The Craft Powered by Precision Hot Forging

End‑to‑end production starting from die design

5‑Ton Air Stamp Hammer

●High‑Quality, Fast Delivery Through Fully Integrated Production

・Precision hot‑forged parts feature excellent accuracy and a fine surface with crisp markings.

・Dual inspections using dedicated gauges ensure reliable, high‑quality products.

Die Forging

●Air‑press hammers (0.5–5 t) enable forging from 0.015 to 400 kg

・Production capacity: 1–80,000 pcs, up to 500 t/month

・Materials: Carbon steel, stainless steel, titanium alloy (6Al‑4V), high‑speed steel

Ultimate Eyebolt

Revolutionary progress without the need for specialized tools

●Hand‑Tightened Hex Design for Easy Installation

・Suitable for horizontal lifting
・360° rotating ring aligns with the load direction
・Eccentric ring naturally orients toward the pulling direction
・Tool‑free, easy hand‑tightening
・No interference with the workpiece
・Reusable

Multi Eye Bolts

Safe lateral hanging of heavy items with a rotation function!

●Standard model

Safe, Reliable Solutions for Horizontal Lifting and Tipping Heavy Loads

・Enabling Safe Horizontal Lifting and Up-righting Tasks
（A Safe Solution for Heavy‑Load Side Lifting and Tipping）
・Multi Eye Bolt – Patents No. 3606802 & No. 3868439, NETIS Registered: KK‑150017‑A
・Awarded in 2016: Top 300 Vibrant SMEs (Technology & Skills Category)

●Multi Eye Bolt Hybrid

・Compact Body, High Load Capacity
・Wider Load‑Capacity Range Than Standard Models
・Multi Eye Bolt Hybrid – Patent No. 436998

Screw Conversion Adapter

Screw diameter can be changed!

●Load‑Matched Installation with Small Rotating Eye Bolts

・Thread‑upsizing options： Small threads can be upsized to larger threads

・Possible to install Multi Eye Bolt, Hybrid, or Ultimate Models on existing female threads for improving space efficiency and lower costs

Return Buckle

Less Than Half the Time to Get the Job Done

●Standard model

・Quick Tightening and Removal with Power Tools (Electric Drill, Impact Driver, or Ratchet Wrench)
・Used as a safety measure for suspended scaffolding
・Half the length of a standard turnbuckle, featuring an angled hook for easier chain engagement

●Return Buckle ARA model

・Wider thread pitch allows quick clearing of debris
・Compact design—half the length of standard models
・Lightens the workload with ample storage in a tool pouch

Yokobee（3S）

・Specially designed for lateral hanging which may be dangerous when using JIS eye bolts

・Hook and shackle design for easy attachment of wire ropes, etc.

Eye Bolt: Certified Under Japanese Industrial Standards as Critical Safety Components for Hoisting Loads

Japan’s No.1 Market‑Share Product by NANIWA

●Standard Eye Bolt

・Essential hardware used across construction, manufacturing, and logistics

・Available in multiple materials: Plain, Zinc, Chromate, Hot‑Dip Galvanized, Stainless

●Long‑Shank Eye Bolt

・Longer thread section than standard eye bolts
・Designed for deep‑set or through‑thick‑section mounting
・Used for heavy‑load lifting, based on JIS B1168
・Available in multiple materials: Plain, Zinc, Chromate, Hot‑Dip Galvanized, Stainless