Special Screws

Select a product from category

Vented Screws, Vacuum 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 Stainless Steel Screws

High performance stainless steel screws have excellent strength, heat resistance, and corrosion resistance compared to standard stainless steel screws.

Titanium 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.

Tools

A tool series dedicated for special applications.

Screws with Special Surface Treatment

Screws with surface treatment for seizing prevention and reflection resistance.

Micro Screws

Small-diameter screws lower than M2.6 size for precision instruments.

Captive Screws, Full Thread Screws

Screws for falling-out preventation and screws with full thread.

Functional Screws

Screws for fixing and locating clamping screws and ball plungers.

UNC Screws, UNF Screws

Screws for equipment and facilities that use inch-screw specifications.

Security screws, Tamper Resistant Screws

Screws which cannot be installed or removed easily with standard tools to prevent theft and tampering.

Hexalobular Screws

Screws with strength socket heads. For repeating installations and removals.

Plugs

Screw plugs for hydraulic and pneumatic machinery and equipment. Washers for loosening prevention.

Washers, Insert

Washers and inserts are available with a wide variety of outside diameters and thicknesses.

Plastic Screws

Various types of plastic screws made from materials such as VESPEL®, PEEK, and PTFE (Polytetrafluoroethylene).

Vibration Resistance

These screw components are highly effective for prevention of screw loosening due to vibration etc.

Screw Caps / Screw Covers

Protective caps for screw heads and tips.

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.

Hex Head Screws

We have Hex Head Screws with various kind of materials, surface treatments and characteristics.

Sheet Metal Fasteners

Available to fix thin plate thickness over 0.1mm

SEMS Screws, Improved Fastening Efficiency Screws

Screws that do not require washers. This eliminates the need to incorporate washers and contributes to improved work efficiency.

Select a product from application

Purposes of use

Vacuum

Low Outgas

Clean

Chemical Resistance

High Strength

High Specific Strength

Heat Resistance

Anti-Galling (Anti-Seize)

Screw Drive Damage Prevention

Reflection Resistance

Electrical Insulation

Non-Magnetic

Lightweight

Compact

Increased Productivity

Loss Prevention

Vibration Resistance

Decoration

Fixing・Locating

Conveyance

Selection Conditions

Select surface treatmentGalvanic Corrosion Prevention Treatment

Image
Part Name	Hex Head Screws (Galvanic Corrosion Prevention Treatment)	Hex Nuts (Galvanic Corrosion Prevention Treatment)	Washers (Galvanic Corrosion Prevention Treatment)
Part Number	SNH-GJ	SHN-GJ	SWA-F-GJ
Feature	Galvanic Corrosion Prevention	Galvanic Corrosion Prevention	Galvanic Corrosion Prevention
Material	Steel	Steel	Steel
Surface Treatment	Galvanic Corrosion Prevention Treatment	Galvanic Corrosion Prevention Treatment	Galvanic Corrosion Prevention Treatment
Thread Size	M5 ～ M16	M5 ～ M16	M5 ～ M16
CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications
List	SNH-M10-GJ SNH-M12-GJ SNH-M16-GJ SNH-M5-GJ SNH-M6-GJ SNH-M8-GJ	SHN-M10-GJ SHN-M12-GJ SHN-M16-GJ SHN-M5-GJ SHN-M6-GJ SHN-M8-GJ	SWA-10.5-21-2-F-GJ SWA-13-24-2.5-F-GJ SWA-17-30-3-F-GJ SWA-5.3-10-1-F-GJ SWA-6.5-13-1-F-GJ SWA-8.5-18-1.6-F-GJ

Latest

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.

Fastening Screws in Areas with Cumulative Pitch Misalignment of Large Panels

Discover how specially processed screws solved challenges with large equipment panels!

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.

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.

Helpful Resources

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

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

What are Washer-Integrated Screws (SEMS Screws)?An Explanation of Standards and Features

Magnetic shield (permalloy shield) must be fixed

Customization

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Screw combination service

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Fastening Screws in Areas with Cumulative Pitch Misalignment of Large Panels

Select the best screws for your needs

Surface-mount technology (SMT) line width changeover automation cuts workload by about 130 minutes per month.

Preventing gaps between the sheet and screw when fastening thin sheets

Plastic Screw Property

Chemical Resistance of Chemical-proof Screws

Property of Special Material Screws

Titanium Property

Screw Standards and Technical Information

Auto-Positioning Units Frequently Asked Questions (FAQ)

Coupling and Single-axis Actuator Assembly Method

Hints for correctly using NBK products: Quick Positioning Brackets

Hints for correctly using NBK products: Captive Washer for Pull

Hints for correctly using NBK products: Metal Super Knob

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

Procedure of Selection

Fastening Screws in Areas with Cumulative Pitch Misalignment of Large Panels

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

Surface-mount technology (SMT) line width changeover automation cuts workload by about 130 minutes per month.

Preventing gaps between the sheet and screw when fastening thin sheets

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

What are Captive Screws? Introduction of the NBK Captive Series

What are Washer-Integrated Screws (SEMS Screws)?An Explanation of Standards and Features

Magnetic shield (permalloy shield) must be fixed

Preventing lever fragments from contaminating food machinery.

Preventing gaps between the sheet and screw when fastening thin sheets

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

Higher torque and Lower price.

NBK SPECIAL SCREWS

Vol.6 Varieties of Screws "Beyond" SUS

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

High-Gain Rubber Type Coupling XG2

A new generation of disk couplings

The Key to Increased Productivity! The Secret of Reduced Stabilization Time (Full Version)

Vol.6 Varieties of Screws "Beyond" SUS

No. ９: Increasing Throughput

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

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

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

We can make a screw like this one

Customization

NBK SPECIAL SCREWS

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

No. 6: Thermal Cycling

Higher torque and Lower price.

A new generation of disk couplings

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

What are Captive Screws? Introduction of the NBK Captive Series

Select the best screws for your needs

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

Vol.6 Varieties of Screws "Beyond" SUS

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

Select the best screws for your needs

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

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Line adjustment time for different bottle sizes was reduced by about half.
Automation Achieved for Over 20 Manual Adjustments.

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Line adjustment time for different bottle sizes was reduced by about half.
Automation Achieved for Over 20 Manual Adjustments.

Vol.6　Varieties of Screws "Beyond" SUS