Heat Resistance

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Part Name	Hex Socket Head Cap Screw with Special Low Profile (SUS316L, with Ventilation Hole)	Socket Head Cap Screw - Low Profile - SUS316L	Socket Head Cap Screw with Special Low Profile - Stainless Steel	Hex Socket Head Cap Screws with Special Low Profile (SUS316L / Cleanroom Washing/Cleanroom Packing)	Hex Socket Head Cap Screws (SUS316L)	Hex Socket Head Cap Screws (SUS316L / Cleanroom Washing/Cleanroom Packing)	Socket Head Cap Screws - SUS310S	Hex Nut - SUS310S	Washer - SUS310S
Part Number	SVSHL	SLHL	SSHL	SSHL-UCL	SNSL	SNSL-UCL	SNSJ	SHNJ	SWAJ-F
Feature	Special Low Profile Small Space	Low Profile Small Space	Special Low Profile Small Space	Special Low Profile Space-saving Cleanroom Washing/Cleanroom Packing Provided	Heat Resistance Corrosion Resistance Nonmagnetic	Cleanroom Washing/Cleanroom Packing Provided	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance
Material	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS310S	SUS310S	SUS310S
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M5	M3 ～ M6	M3 ～ M5	M3 ～ M5	M1.6 ～ M8	M3 ～ M6	M3 ～ M10	M3 ～ M10	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	SVSHL-M3 SVSHL-M4 SVSHL-M5	SLHL-M3 SLHL-M4 SLHL-M5 SLHL-M6	SSHL-M3 SSHL-M4 SSHL-M5	SSHL-M3-UCL SSHL-M4-UCL SSHL-M5-UCL	SNSL-M1.6 SNSL-M2 SNSL-M2.5 SNSL-M3 SNSL-M4 SNSL-M5 SNSL-M6 SNSL-M8	SNSL-M3-UCL SNSL-M4-UCL SNSL-M5-UCL SNSL-M6-UCL	SNSJ-M10 SNSJ-M3 SNSJ-M4 SNSJ-M5 SNSJ-M6 SNSJ-M8	SHNJ-M10 SHNJ-M3 SHNJ-M4 SHNJ-M5 SHNJ-M6 SHNJ-M8	SWAJ-10-F SWAJ-3-F SWAJ-4-F SWAJ-5-F SWAJ-6-F SWAJ-8-F

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Part Name	Socket Head Cap Screw -Inconel equiv.	Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole	Inconel Hex Nut	Inconel Washer	Hex Socket Head Cap Screws - Molybdenum	Molybdenum Hex Socket Head Cap Screws with Ventilation Hole	Hex Nuts - Molybdenum	Washers - Molybdenum	Slotted Cheese Head Machine Screws (Pure Tungsten)
Part Number	SNSI	SVSI	SHNI	SWAI-F	SNSM	SVSM	SHNM	SWAM-F	SNCW
Feature	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Heat Resistance	Heat Resistance	Heat Resistance	Heat Resistance	Chemical Resistance
Material	Inconel equiv.	Inconel equiv.	Inconel equiv.	Inconel equiv.	Pure molybdenum	Pure molybdenum	Pure molybdenum	Pure molybdenum	Tungsten
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M6
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNSI-M3 SNSI-M4 SNSI-M5 SNSI-M6 SNSI-M8	SVSI-M3 SVSI-M4 SVSI-M5 SVSI-M6 SVSI-M8	SHNI-M3 SHNI-M4 SHNI-M5 SHNI-M6 SHNI-M8	SWAI-3-F SWAI-4-F SWAI-5-F SWAI-6-F SWAI-8-F	SNSM-M3 SNSM-M4 SNSM-M5 SNSM-M6 SNSM-M8	SVSM-M3 SVSM-M4 SVSM-M5 SVSM-M6 SVSM-M8	SHNM-M3 SHNM-M4 SHNM-M5 SHNM-M6 SHNM-M8	SWAM-3-F SWAM-4-F SWAM-5-F SWAM-6-F SWAM-8-F	SNCW-M3 SNCW-M4 SNCW-M5 SNCW-M6

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Part Name	Slotted Pan Head Screws (Silicon Carbide)	Ceramic Hex Socket Head Cap Bolts	Ceramic Hex Head Bolts	Hex Nuts - Ceramic	Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SP-1）	Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1）	Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SCP-5000）	Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000）	Plastic Screw - Hex Head Screws - PTFE
Part Number	SICX-SX	SCX-C	SCX-H	SCX-N	SPD-C	SPD-H	SPDC-C	SPDC-H	SPT-H
Feature	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas	Chemical Resistance Heat Resistance Electrical Insulation
Material	Silicon Carbide (SiC)	Al2O3 (Alumina 99.5%)	Al2O3 (Alumina 99.5%)	Al2O3 (Alumina 99.5%)	VESPEL® SP-1	VESPEL® SP-1	VESPEL® SCP-5000	VESPEL® SCP-5000	PTFE (Polytetrafluoroethylene)
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M5	M3 ～ M10	M3 ～ M10	M3 ～ M10	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M12
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SICX-M3-SX SICX-M4-SX SICX-M5-SX	SCX-M10-C SCX-M3-C SCX-M4-C SCX-M5-C SCX-M6-C SCX-M8-C	SCX-M10-H SCX-M3-H SCX-M4-H SCX-M5-H SCX-M6-H SCX-M8-H	SCX-M10-N SCX-M3-N SCX-M4-N SCX-M5-N SCX-M6-N SCX-M8-N	SPD-M3-C SPD-M4-C SPD-M5-C SPD-M6-C SPD-M8-C	SPD-M3-H SPD-M4-H SPD-M5-H SPD-M6-H SPD-M8-H	SPDC-M3-C SPDC-M4-C SPDC-M5-C SPDC-M6-C SPDC-M8-C	SPDC-M3-H SPDC-M4-H SPDC-M5-H SPDC-M6-H SPDC-M8-H	SPT-M10-H SPT-M12-H SPT-M3-H SPT-M4-H SPT-M5-H SPT-M6-H SPT-M8-H

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Part Name	Plastic Screw - Hex Nuts / Washers - PTFE	Plastic Screw - Hex Nuts / Washers - PTFE	Plastic Screws - Hex Head Screws - PFA	Plastic Screws - Hex Nuts - PFA	Plastic Screws - Hex Posts - PEEK
Part Number	SPT-N	SPT-W	SPFA-H	SPFA-N	SPE-HB
Feature	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	PEEK Chemical Resistance Heat Resistance
Material	PTFE (Polytetrafluoroethylene)	PTFE (Polytetrafluoroethylene)	Perfluoroalkoxy Alkane	Perfluoroalkoxy Alkane	PEEK
Surface Treatment	-	-	-	-	-
Thread Size	M3 ～ M12	M3 ～ M12	M4 ～ M8	M4 ～ M8	M3 ～ M8
Operating Temperature (℃)	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SPT-M10-N SPT-M12-N SPT-M3-N SPT-M4-N SPT-M5-N SPT-M6-N SPT-M8-N	SPT-10-W SPT-12-W SPT-3-W SPT-4-W SPT-5-W SPT-6-W SPT-8-W	SPFA-M4-H SPFA-M5-H SPFA-M6-H SPFA-M8-H	SPFA-M4-N SPFA-M5-N SPFA-M6-N SPFA-M8-N	SPE-M3-HB SPE-M4-HB SPE-M5-HB SPE-M6-HB SPE-M8-HB

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