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Select the best screws for your needs

Select the best screws for your needs

This page helps to select a Product based on application needs. Vacuum, Low Outgas, Clean, Chemical Resistance, High Strength, Heat Resistance, etc

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Introducing components with a captive mechanism.

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

Introducing our abundant lineup of SEMI standard compliant products.

About SUH660

About SUH660

SUH660 is austenitic heat-resistant steel. With high strength at high temperatures, it can be used in environments up to 700°C.

General Tolerances

General Tolerances

This page describes JIS B 0405 / JIS B 0419 "General tolerances".

Hexagon Nuts

Hexagon Nuts

This page describes JIS B 1181 "Hexagon Nuts (those not dependent on ISO 4032 to 4036 and ISO 8673 to 8675)".

Key and Their Corresponding Keyways

Key and Their Corresponding Keyways

This page describes JIS B 1301 "Keys and their corresponding keyways".

Dimensions of Holes for Hexagon Socket Cap Screws

Dimensions of Holes for Hexagon Socket Cap Screws

This page describes "Dimensions of Holes for Hexagon Socket Cap Screws".

Galling and Seizing

Galling and Seizing

This is a phenomenon that occurs while tightening, where the surface of the screw thread melts or welds due to frictional heat and the screw stops moving. To resolve galling, NBK's special surface treatment screws, such as those with fluorine coating, are recommended.

What are Hex Nuts?

What are Hex Nuts?

Here we offer a clear introduction to hex nuts.

What makes our custom screws special

What makes our custom screws special

The machine parts manufacturer Nabeya Bi-tech Kaisha (NBK) at e-nedzi.com manufactures special screws to the customer's specifications, such as tip machining and surface treatment. Special material screws, resin screws and loosening prevention are also available.

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Have you ever been surprised by rust suddenly appearing on rust-resistant aluminum?
If this happens, the reduced strength resulting from the corrosion brings fears of possible damage.
This phenomenon is known as "galvanic corrosion". Today, I will explain this principle and how it can be handled.


What is a Linear Guide Stopper? Introduction to Types and Features!

What is a Linear Guide Stopper? Introduction to Types and Features!

It is a component used to prevent slip-out, falling, and to act as a stopper in case of uncontrolled movement for linear guideways (linear ways, linear guides, slide rails).

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Probably most of the screws you use are made of either iron or stainless steel. However, there are also screws made from various other materials that possess very interesting characteristics. Perhaps these may be able to resolve some of your problems that you have encountered with iron and stainless steel screws. Today, Nedzigon is here to introduce you to the different types and features of screws made of special materials.

What are clamp levers? Here we explain the characteristics and usage methods that help streamline screw tightening!

What are clamp levers? Here we explain the characteristics and usage methods that help streamline screw tightening!

Description of Machine elements for Designers Clamp Levers Edition page. We introduce here what clamp levers are, the advantages of their use, various usage examples, and their types and characteristics.

Chemical Resistance of Chemical-proof Screws

Chemical Resistance of Chemical-proof Screws

This page describes "Chemical Resistance of Chemical-proof Screws" such as ceramic, titanium, resin nickel and Inconel.