東北ネヂ製造株式会社

Tower connection bolts

Anchor bolt

Large wind turbine tower bolts

Manufacturer of safe and reliable fasteners

Metal Product Manufacturing

Area Onahama・Izumi
Industrial Parks黒須野工業団地

Products & Services

Mechanical Parts

Processing

Casting
Forging
Heat Treatment

Related Fields

Energy / Environmental Recycling

Company Overview

We provide high-quality bolts using our own hot forging and heat treatment technologies. We are capable of producing up to size M90 (90 mm diameter). Our company has earned a high reputation from customers in both the domestic and international railway industry, large construction machinery, civil engineering companies, etc.

Primary Products / Services

Rail bolts, large construction machinery bolts, wind power generation bolts, construction anchor bolts, general bolts

IP & Licenses, etc.

Intellectual Property
●Patent pending No. 2007-161191: Hook Bolts for Fixing Bridge Ties, Washers and Bridge Ties and one other Certifications / Licenses
●ISO9001: 2015, ISO14001: 2015, ISO45001: 2018
●JIS B 1180 Hexagonal Bolts, JIS E 1107 Fish Bolts, JIS E 1109 Rail Screws Ministry of Economy, Trade and Industry
●Performance evaluation for compliance with technical standards for materials used in power generation wind turbines
●Hexagon bolts: 20220221 Electrical Safety Division
●Anchor bolts: 20210607 Electrical Safety Division, 20220922 Electrical Safety Division Awards / Commendations
●Selected as one of the “300 Endeavoring Small & Medium-sized
Companies” in 2015
●Selected as a “Regional Future Leading Company” in 2017

Company Strengths & Characteristics

Our strength lies in the hot forging and heat treatment techniques we have developed over the years for the manufacture of large bolts. Operating on an integrated production system, we handle everything from material purchasing to shipping in-house. We also put a strong focus on testing equipment and currently run the “Nedi Labo,” an in- house facility for research, study, and investigation.

Future Prospects & Areas of Interest

At present we operate mainly in the railway sector, which we have been involved in since our company’s start, and also have a proven track record in large construction machinery, civil engineering, and construction. Moving forward, we are examining entering the renewable energy sector.

Manufacturer of safe and reliable fasteners