Helpful Resources

Search by industry
Semiconductor Manufacturing Equipment

About Couplings

About Couplings

Coupling is a component used to connect a drive shaft and a driven part, for example, a motor shaft and a ball screw for the purpose of transmitting the torque.

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

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.

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.

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

No. 8: Preventing Part Fall-out

No. 8: Preventing Part Fall-out

Are you struggling with screw or washer fall-out during equipment assembly or maintenance?
Here we introduce products that can be used to prevent part fall-out.

All you need to know about the roles and types of washers!

All you need to know about the roles and types of washers!

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

How to Check the Screw Tightening Torque

How to Check the Screw Tightening Torque

This page explains how to check the tightening torque for coupling screws.

What are Captive Screws? Introduction of the NBK Captive Series

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 compatibility and measures against contamination.

Property of Special Material Screws

Property of Special Material Screws

This page describes "Properties of Special Material Screws" such as ceramic, nickel, aluminum, molybdenum, Inconel, Hastelloy and phosphor bronze.

Small Diameter Screws: M0.6 (S0.6) to M2.6 Lineup

Small Diameter 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.

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

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).

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.

No. ９: Increasing Throughput

No. ９: Increasing Throughput

Here we introduce products that help improve conveying speed and downsize equipment in order to increase throughput.

No. 7: SEMI Standards

No. 7: SEMI Standards

Explains the SEMI standard.
NBK has SEMI standard compliant products, that can be selected according to the application.

No. 6: Thermal Cycling

No. 6: Thermal Cycling

Here we discuss thermal cycling, which is often an issue in semiconductor manufacturing equipment.

Jaw Type Couplings Lineup List

Jaw Type Couplings Lineup List

This is the lineup list of jaw-type couplings. Select the coupling required from the lineup list.