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Vacuum Application Screws
Screws have gas ventilation holes for vacuum drawing of machines and have excellent corrosion resistance under vacuum environments.
Screws compatible with clean environments
Screws with cleanroom washing/cleanroom packing provided are available, along with screws compatible with clean environments such as those with ventilation holes.
Low Profile Screws・Small Head Screws
Compact head screws. Suitable for reducing the size of applications.
High Performance S.S. Screws
High performance stainless steel screws have excellent strength, heat resistance, and corrosion resistance compared to standard stainless steel screws.
Screws made of titanium. They are lightweight, nonmagnetic, and chemically resistant.
Special Material Screws
Screws made of special materials such as Inconel, Molybdenum and Hastelloy to provide excellent heat, chemical, corrosion resistance.
Screws with Special Surface Treatment
Screws with surface treatment for seizing prevention and reflection resistance.
Tamper Resistant Screws
Screws which cannot be installed or removed easily with standard tools to prevent theft and tampering.
Hexalobular Socket Head Screws
Screws with strength socket heads. For repeating installations and removals.
Screw plugs for hydraulic and pneumatic machinery and equipment. Washers for loosening prevention.
Washers and inserts are available with a wide variety of outside diameters and thicknesses.
Various types of plastic screws made from materials such as VESPEL®, PEEK, and PTFE (Polytetrafluoroethylene).
These screw components are highly effective for prevention of screw loosening due to vibration etc.
Chemical Resistance Screws
Screws with special materials, surface treatments, and shapes for applications that require chemical resistance.
Socket Head Cap Screws
We have Socket Head Cap Screws with various kind of materials, surface treatments and characteristics.
Select a product from application
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】
Introducing components with a captive mechanism.
Use the NBK Captive Screw Series to be comply with CE
This is the page for captive screws. Screws that secure a protective cover or inspection cover of equipment and devices must not fall out of the cover when it is removed. Use NBK's captive screw series to comply with CE marking.
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.
Dimensions of Holes for Hexagon Socket Cap Screws
This page describes "Dimensions of Holes for Hexagon Socket Cap Screws".
Vol. 12 Back to Basics Series! Screw Reference Dimensions
This is a description of "stress corrosion cracking", a problem that frequently occurs but is difficult to detect. I, Nedzigon will discuss the causes, mechanism, and countermeasures, as well as screws that are resistant to stress corrosion cracking.