nedzi Tohoku Bolt Mfg.
Our Products

Products

From standard fasteners to specialized large-diameter bolts — supporting global industrial foundations with precision hot-forging.

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Railway Scene

Railway & Infra

Supporting global transport networks with certified safety.

Railway Product Lineup

Product Line-up

SIZE: M16 - M30
  • 1. TN Hook Bolt
  • 2. Fish Plate Bolt
  • 3. Earthquake-proof Bolt
  • 4. Screw Spike for Rails
  • 5. Screw Spike for Rails
  • 6. Check Bolt (Switch)
  • 7. Taper Bolt (Crossing)
  • 8. Dog Spike (JIS)
  • 9. Rail Fastening Bolt
Civil Engineering Scene

Civil & Construction

High-strength bolts for urban infrastructure and bridge projects.

Civil Engineering Lineup

Product Line-up

SIZE: M30 - M110
  • 1. Anchor Bolt (L-type)
  • 2. Anchor Bolt (Stud)
  • 3. Bolt for Tower Crane
  • 4. Pin-bolt for Mining
  • 5. Tunnel Joint Parts
  • 6. Hardware for Forging
Energy Plant Scene

Energy & Plant

Reliable fastening solutions for renewable energy and industrial plants.

Energy Plant Lineup

Product Line-up

SIZE: M24 - M110
  • 1. Wind Power Bolt
  • 2. Stud Bolt
  • 3. Wind Power Bolt (Large)
  • 4. T-type Bolt for Gas Pipe
Machine Parts Scene

Machine Parts

Precision forged components for heavy duty industrial machinery.

Machine Parts Lineup

Product Line-up

SIZE: M24 - M110
  • 1. Hexagon Socket Head Bolt
  • 2. Hexagon Head Bolt
  • 3. Pin-bolt
  • 4. Train Motor Friction Bolt
  • 5. MU Bolt (Original)

"Can you do that?"

We maintain a stock of over 10,000 types of products. Even for custom specifications or rare materials, our "Nedi Lab" team is ready to assist with your engineering challenges.

Inquire for Custom Orders