Vacuum

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Part Name	Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole	Hex Socket Head Cap Screws (Hastelloy C-276 equiv.) with Ventilation Hole	Hex Socket Head Cap Screws (Hastelloy C-22 equiv.) with Ventilation Hole	Molybdenum Hex Socket Head Cap Screws with Ventilation Hole	Aluminum Hex Socket Head Cap Screws with Ventilation Hole	Hex Socket Head Cap Screws with Ventilation Hole - High Intensity Stainless Steel	Socket Head Cap Screws with Ventilation Hole	Socket Head Cap Screws with Ventilation Hole	Hex Socket Head Cap Screws (with Ventilation Hole / Inch Screws)
Part Number	SVSI	SVSH-C276	SVSH-C22	SVSM	SVSA	SVSLG	SVSS	SVSS-PC	SVSS(INCH)
Feature	Chemical Resistance Heat Resistance	Chemical Resistance	Chemical Resistance	Heat Resistance	Lightweight	High Strength(Equivalent to Strength Class 10.8)	Standard	Low outgas	Inch Thread Socket Head Cap Screws
Material	Inconel equiv.	Hastelloy equiv.	Hastelloy equiv.	Pure molybdenum	A5056	SUS316L	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	Equivalent to SUS304
Surface Treatment	-	-	-	-	-	-	-	Special Chemical Polishing	-
Thread Size	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M6	M2 ～ M12	M3 ～ M12	No.4-40UNC ～ 1/4-20UNC
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SVSI-M3 SVSI-M4 SVSI-M5 SVSI-M6 SVSI-M8	SVSH-M3-C276 SVSH-M4-C276 SVSH-M5-C276 SVSH-M6-C276 SVSH-M8-C276	SVSH-M3-C22 SVSH-M4-C22 SVSH-M5-C22 SVSH-M6-C22 SVSH-M8-C22	SVSM-M3 SVSM-M4 SVSM-M5 SVSM-M6 SVSM-M8	SVSA-M3 SVSA-M4 SVSA-M5 SVSA-M6 SVSA-M8	SVSLG-M3 SVSLG-M4 SVSLG-M5 SVSLG-M6	SVSS-M10 SVSS-M12 SVSS-M2 SVSS-M2.5 SVSS-M3 SVSS-M4 SVSS-M5 SVSS-M6 SVSS-M8	SVSS-M10-PC SVSS-M12-PC SVSS-M3-PC SVSS-M4-PC SVSS-M5-PC SVSS-M6-PC SVSS-M8-PC	SVSS-#10-24 SVSS-#10-32 SVSS-#4-40 SVSS-#5-40 SVSS-#6-32 SVSS-#8-32 SVSS-1/4-20

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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	Socket Head Cap Screws with Ventilation Hole - MoS₂ Shot	Socket Head Cap Screws with Ventilation Hole - Silver Plating	Hex Socket Head Cap Screws with Ventilation Hole - High Intensity S.S.	Socket Head Cap Screws with Ventilation Hole - SUS316L	Hex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment	Hex Socket Head Cap Screws with Ventilation Hole - Titanium	Socket Head Cap Screws with Ventilation Hole with Low Profile
Part Number	SVSQS	SVSQLG	SVSS-MOS	SVSS-AG	SVSX-88	SVSL	SVSL-PN	SVST	SVLS
Feature	Built-in Washers	High Strength (Tensile Strength Ranking 10.8 Equivalent)	Seizing prevention	Seizing prevention	High Strength(Strength Class 8.8)	CorrosionResistance	Corrosion Resistance / Seizing prevention	Lightweight Nonmagnetic Chemical Resistance	Low Profile Small Space
Material	SUSXM7 (Equivalent to SUS304)	SUS316L	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUS316L HiMo	SUS316L	SUS316L	Pure Titanium	SUSXM7 (Equivalent to SUS304)
Surface Treatment	-	-	Molybdenum Disulfide Shot Treatment	Silver plating	-	-	Surface hardening treatment	-	-
Thread Size	M3 ～ M12	M3 ～ M6	M3 ～ M8	M3 ～ M8	M3 ～ M6	M3 ～ M12	M3 ～ M8	M3 ～ M5	M3 ～ M10
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	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	SVSS-M3-MOS SVSS-M4-MOS SVSS-M5-MOS SVSS-M6-MOS SVSS-M8-MOS	SVSS-M3-AG SVSS-M4-AG SVSS-M5-AG SVSS-M6-AG SVSS-M8-AG	SVSX-M3-88 SVSX-M4-88 SVSX-M5-88 SVSX-M6-88	SVSL-M10 SVSL-M12 SVSL-M3 SVSL-M4 SVSL-M5 SVSL-M6 SVSL-M8	SVSL-M3-PN SVSL-M4-PN SVSL-M5-PN SVSL-M6-PN SVSL-M8-PN	SVST-M3 SVST-M4 SVST-M5	SVLS-M10 SVLS-M3 SVLS-M4 SVLS-M5 SVLS-M6 SVLS-M8

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Part Name	Socket Head Cap Screws with Ventilation Hole with Special Low Profile	Hex Socket Head Cap Screw with Special Low Profile (SUS316L, with Ventilation Hole)	Hex Socket Head Cap Screw with Special Low Profile (Titanium, with Ventilation Hole)	Hexagon Head Bolts (with Ventilation Hole)	Hex Socket Countersunk Head Screws with Ventilation Hole	Cross Recessed Flat Head Machine Screws with Ventilation Hole	Phillips Cross Recessed Flat Head Titanium Machine Screws (with Ventilation Hole)	Phillips Cross Recessed Pan Head Machine Screw (with Ventilation Hole)	Phillips Cross Recessed Pan Head Titanium Machine Screws (with Ventilation Hole)
Part Number	SVSHS	SVSHL	SVSHT	SVHS	SVFCS	SVFS	SVFT	SVPS	SVPT
Feature	Special Low Profile Small Space	Special Low Profile Small Space	Lightweight Nonmagnetic Chemical Resistance	Hex head screws	Hex Socket CountersunkHead Screws Small Space	Flat Head Machine Screws Small Space	Titanium Phillips Cross Recessed Flat Head Machine Screw Low outgas Nonmagnetic	Pan Head Machine Screws	Titanium Phillips Cross Recessed Pan Head Machine Screw Low outgas Nonmagnetic
Material	SUSXM7 (Equivalent to SUS304)	SUS316L	Pure Titanium	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	Pure Titanium	SUSXM7 (Equivalent to SUS304)	Pure Titanium
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M6	M3 ～ M5	M3 ～ M6	M3 ～ M8	M3 ～ M8	M2 ～ M6	M3 ～ M4	M3 ～ M8	M3 ～ M5
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SVSHS-M3 SVSHS-M4 SVSHS-M5 SVSHS-M6	SVSHL-M3 SVSHL-M4 SVSHL-M5	SVSHT-M3 SVSHT-M4 SVSHT-M5 SVSHT-M6	SVHS-M3 SVHS-M4 SVHS-M5 SVHS-M6 SVHS-M8	SVFCS-M3 SVFCS-M4 SVFCS-M5 SVFCS-M6 SVFCS-M8	SVFS-M2 SVFS-M2.6 SVFS-M3 SVFS-M4 SVFS-M5 SVFS-M6	SVFT-M3 SVFT-M4	SVPS-M3 SVPS-M4 SVPS-M5 SVPS-M6 SVPS-M8	SVPT-M3 SVPT-M4 SVPT-M5

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Part Name	Hex Posts with Ventilation Hole	Hex Socket Head Cap Screws - Super Black	Hex Socket Head Cap Screws - Low Temperature Black Chrome	Washers with Ventilation Grooves	Washers with Ventilation Grooves	Washers with Ventilation Grooves - Titanium	Hex Socket Set Screws (with Ventilation Hole)	Clamping Set Screws with Ventilation Hole	Clamping Set Screws with Ventilation Hole
Part Number	SHVAS	SNSS-BK	SNSS-RY	SWAS-VF	SWAS-VF-PC	SWAT-VF	SVTS	SCSS-VR	SCSS-VF
Feature	Stainless Steel Single - end Female Screw Type	Reflection Resistance Corrosion Resistance	Chemical Resistance Reflection Resistance Seizing Prevention	Standard	Low outgas	Lightweight Nonmagnetic	Set Screws	For Fixing Full Ball	For Fixing Flat Ball
Material	SUS304	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUS304	SUS304	Pure Titanium	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)
Surface Treatment	-	Stainless Steel Black	Low temperature black chrome treatment	-	Special Chemical Polishing	-	-	-	-
Thread Size	M3 ～ M8	M2 ～ M10	M3 ～ M10	M2 ～ M12	M3 ～ M12	M3 ～ M5	M3 ～ M8	M5 ～ M10	M5 ～ M10
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SHVAS-M3 SHVAS-M4 SHVAS-M5 SHVAS-M6 SHVAS-M8	SNSS-M10-BK SNSS-M2-BK SNSS-M3-BK SNSS-M4-BK SNSS-M5-BK SNSS-M6-BK SNSS-M8-BK	SNSS-M10-RY SNSS-M3-RY SNSS-M4-RY SNSS-M5-RY SNSS-M6-RY SNSS-M8-RY	SWAS-10-VF SWAS-12-VF SWAS-2.5-VF SWAS-2-VF SWAS-3-VF SWAS-4-VF SWAS-5-VF SWAS-6-VF SWAS-8-VF	SWAS-10-VF-PC SWAS-12-VF-PC SWAS-3-VF-PC SWAS-4-VF-PC SWAS-5-VF-PC SWAS-6-VF-PC SWAS-8-VF-PC	SWAT-3-VF SWAT-4-VF SWAT-5-VF	SVTS-M3 SVTS-M4 SVTS-M5 SVTS-M6 SVTS-M8	SCSS-M10-16-VR SCSS-M10-20-VR SCSS-M10-25-VR SCSS-M10-35-VR SCSS-M5-12-VR SCSS-M5-20-VR SCSS-M5-8-VR SCSS-M6-10-VR SCSS-M6-16-VR SCSS-M6-20-VR SCSS-M6-25-VR SCSS-M8-10-VR SCSS-M8-12-VR SCSS-M8-20-VR SCSS-M8-25-VR SCSS-M8-30-VR	SCSS-M10-16-VF SCSS-M10-20-VF SCSS-M10-25-VF SCSS-M10-35-VF SCSS-M5-12-VF SCSS-M5-20-VF SCSS-M5-8-VF SCSS-M6-10-VF SCSS-M6-16-VF SCSS-M6-20-VF SCSS-M6-25-VF SCSS-M8-10-VF SCSS-M8-12-VF SCSS-M8-20-VF SCSS-M8-25-VF SCSS-M8-30-VF

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Part Name	Cover Caps	Cover Caps	Cover Caps - PTFE	Socket Head Cap Screws for Cover Caps
Part Number	SCAP-AL	SCAP-CE	SCAP-PT	SNCPS
Feature	Low Outgas Corrosion Resistance	Heat Resistance Chemical Resistance Electrical Insulation	Chemical Resistance	For Cover Caps
Material	A5056	Al2O3 (Alumina 99.5%)	PTFE (Polytetrafluoroethylene)	SUSXM7 (Equivalent to SUS304)
Surface Treatment	-	-	-	-
Thread Size	M5 ～ M16	M5 ～ M16	M5 ～ M16	M3 ～ M10
Operating Temperature (℃)	-	-	-	-
CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications
List	SCAP-10-AL SCAP-3-AL SCAP-4-AL SCAP-5-AL SCAP-6-AL SCAP-8-AL	SCAP-10-CE SCAP-3-CE SCAP-4-CE SCAP-5-CE SCAP-6-CE SCAP-8-CE	SCAP-10-PT SCAP-3-PT SCAP-4-PT SCAP-5-PT SCAP-6-PT SCAP-8-PT	SNCPS-M10 SNCPS-M3 SNCPS-M4 SNCPS-M5 SNCPS-M6 SNCPS-M8

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