Special Screws

Select a product from category

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.

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.

Miniature 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.

Inch Screws

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

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.

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.

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.

Screws for fixing thin plate

Available to fix thin plate thickness over 0.1mm

Select a product from application

Purposes of use

Vacuum

Low Outgas

Clean

Chemical Resistance

High Strength

Heat Resistance

Anti-Galling (Anti-Seize)

Screw Drive Damage Prevention

Reflection Resistance

Electrical Insulation

Non-Magnetic

Lightweight

Space optimization

Simplified Work

Loss Prevention

Vibration Resistance

Decoration

Fixing・Locating

Conveyance

Selection Conditions

Select processingWith Built-in Washer

Image
Part Name	Hex Socket Head Cap Screws with Captive Washer and Ventilation Hole	Washer Integrated Hex Socket Head Cap Screws with Ventilation Hole - High Strength Stainless Steel	Washer Integrated Hex Socket Head Cap Screws - High Strength Stainless Steel
Part Number	SVSQS	SVSQLG	SNSQLG
Feature	Built-in Washers	High Strength (Tensile Strength Ranking 10.8 Equivalent)	High Strength Heat Resistance Corrosion Resistance Nonmagnetic
Material	SUSXM7 (Equivalent to SUS304)	SUS316L	SUS316L
Surface Treatment	-	-	-
Thread Size	M10	M3	M3
CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications
List	SVSQS-M10 SVSQS-M12 SVSQS-M3 SVSQS-M4 SVSQS-M5 SVSQS-M6 SVSQS-M8	SVSQLG-M3 SVSQLG-M4 SVSQLG-M5 SVSQLG-M6	SNSQLG-M3 SNSQLG-M4 SNSQLG-M5 SNSQLG-M6

Latest

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.

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.

Helpful Resources

Use the NBK Captive Screw Series to be comply with CE

No. 8: Preventing Part Fall-out

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

What are Captive Screws? Introduction of the NBK Captive Series

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

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Special specifications

Couplings Bore and Keyway Additional Modification Service

Laser engraving service

Coupling Stainless Steel Screw Alteration Service

Handle Shaft Hole Processing Service

Scale Plate・Scale Sticker Cutting Service

Select the best screws for your needs

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

No. 7: SEMI Standards

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Property of Special Material Screws

Hexalobular Internal Driving Feature for Bolts and Screws

Plastic Screw Property

Advancements in Servomotor Coupling Technology

The Anti-Vibration Coupling with High Rigidity

Hints for correctly using NBK products: Quick Positioning Brackets

Auto-Positioning Units Frequently Asked Questions (FAQ)

Hints for correctly using NBK products: Retractable revolving grip

Hints for correctly using NBK products: Set Collars

Hints for correctly using NBK products: Captive Series (relief-cut thread)

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection

Procedure of Selection (Actuator)

Procedure of Selection

Use the NBK Captive Screw Series to be comply with CE

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

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

No. ９: Increasing Throughput

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

Use the NBK Captive Screw Series to be comply with CE

What are Captive Screws? Introduction of the NBK Captive Series

No. 7: SEMI Standards

Screws that will not affect communication are required 【Safety Measures/Precautionary Measures】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

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

Improvement points for FA Devices【Control Design】

Solving common issues with Machine Tools（Machining Center）

Improvement points for FA Devices【Unit Design】

Collaboration Webinar: The Best Solutions for Shortening a Positioning Time by Using NBK's Couplings and SANYO DENKI's Servo Motors

The Optimized Coupling ”XG Family"（Teaser ver.）

Raising/lowering shaft vibration must be suppressed 【Improved Productivity】

Webinar: How can we speed up and reduce the cost of the Motion Control System with Shaft Couplings?

Flexus【Muilti-Functional Machined Slotted Springs】

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

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

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

No. ９: Increasing Throughput

No. 6: Thermal Cycling

Flexus【Muilti-Functional Machined Slotted Springs】

NBK SPECIAL SCREWS

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Collaboration Webinar: The Best Solutions for Shortening a Positioning Time by Using NBK's Couplings and SANYO DENKI's Servo Motors

The Optimized Coupling ”XG Family"（Teaser ver.）

Webinar: How can we speed up and reduce the cost of the Motion Control System with Shaft Couplings?

Select the best screws for your needs

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

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

What are Captive Screws? Introduction of the NBK Captive Series

Property of Special Material Screws

Select the best screws for your needs

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

No. 8: Preventing Part Fall-out

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

What are Captive Screws? Introduction of the NBK Captive Series

Vol.1　Thinking about "Galling and Seizing"

Vol.2　Explaining the Vocabulary of Screws

Vol.3　Functional Screw Surface Treatments Are Not Just for Corrosion Resistance

Vol.4　What are washers used for?

Vol.5　Varieties of SUS Screws