What are Captive Screws? Introduction of the NBK Captive Series

NBK has standardized products for fall prevention of parts in the knob, pull and e-nedzi.com (special screw) categories. Use NBK's Captive Series for food machinery, packaging machinery and chemical manufacturing equipment that require CE Marking Compliance and Contamination Control.

Jul. 29. 2025

What are Hex Socket Head Cap Screws (cap bolts)?

Hex Socket Head Cap Screws (cap bolts) are bolts (screws) with hexagon-shaped holes in their heads. It lists product descriptions for hex socket head cap screws, recommended products, etc.

Jul. 29. 2025

Plastic Screw Property

This page describes "Plastic Screw Properties" such as PEEK, PTFE (Polytetrafluoroethylene), PPS, PC (polycarbonate) and PP (polypropylene).

Jun. 24. 2025

What are low profile screws? Find advantages, disadvantages, and usage examples explained here!

Here we introduce advantages, usage examples, lineups and the like regarding screws with lower head height than ordinary screws, referred to as "low profile screws" or "low profile cap screws" (low head, slim head).

Jun. 24. 2025

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

This page compares the dimensions of low profile and small head screws. Easily find screws that satisfy the desired dimensions, shape and material.

Jun. 24. 2025

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

NBK offers a wide-ranging lineup of small-diameter screws in various shapes and materials.
Various head diameters and heights are available for the same screw diameters, contributing to saving space.

May. 27. 2025

No. 2: Vacuum environments

Vacuum technology is often used in semiconductor manufacturing equipment. A vacuum is not required for all equipment. A vacuum would mainly be required for equipment that uses plasma or an electron beam. In Part 2, we introduce some NBK products that are ideal for use in these vacuum environments!

May. 23. 2025

Vol.4　What are washers used for?

Do you know the role washers play? Preventing scratches to the seating surface?
Preventing looseness? Maybe some of you are already long-time washer users?
Today,Nedzigon will explain the role of metal washers clearly.

May. 15. 2025

Vol.7　Screw Tightening Control Methods

Although fastening objects using the axial force generated from tightening is the main role of screws (bolts), in actual work, I think there are many people who control the torque by tightening with a torque wrench, because it is difficult to directly monitor the axial force, and so guarantee the axial force that way. However, there are other methods of control for tightening screws (bolts). These include those with only slightly greater axial force variation than with a torque wrench. Today, Nedzigon will tell you all about them.

May. 15. 2025

What Are Knobs? Functions, Types, Features, Applications and More

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

May. 12. 2025

What is a Coupling? Explanation of Types and Characteristics

A coupling is a mechanical component designed to transmit torque by connecting a drive shaft to a driven shaft.

May. 07. 2025

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

This page describes JIS B 1176 "Hexagon socket head cap screws".

Apr. 30. 2025

Description of Plungers for Engineers

Description of Machine elements for Designers Plungers Edition page. Plungers are machine elements for positioning and fixing workpieces. We offer a clear introduction to plungers, the advantages of their use, various usage examples, and their types and characteristics.

Apr. 30. 2025

Vol. 12 Back to Basics Series! Screw Reference Dimensions

The absolute ABCs, screw reference dimensions that are important when designing. A lot of problems can occur if you use the wrong dimensions when designing or placing an order.

Nedzigon will explain screw terminology and use pictures to introduce the various thread types.

Apr. 30. 2025

Washers: Essential Components for Secure Connections

This page introduces washers. As well as a description of washers, the washer products handled by NBK are introduced.

Apr. 23. 2025

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. Vacuum, Low Outgas, Clean, Chemical Resistance, High Strength, Heat Resistance, etc

Mar. 25. 2025