Structure Components

About Structure Components

NBK offers various structural components such as roller chain bolts used in roller chain applications and dedicated turn buckles.
Posts (Spring Posts) for tension coil springs and mounting plates for mounting PCBs on DIN rails, etc., are also available.

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Part Name	Roller Chain Bolt	Roller Chain Bolt	Roller Chain Nut	Roller Chain Nut	Hexagon Stud Bolt	Turn Buckle - Dedicated to Roller Chain	Turn Buckle - Dedicated to Roller Chain	Turn Buckle - General Purpose Male Screw Type	Joint Nut
Part Number	SRC	SRCS	SRF	SRFS	SHS	STR	STRS	STB	SJN
Feature	Standardizing Right and Left Screw	Standardizing Right and Left Screw	Nut Type	Nut Type	Standardizing Right and Left Screw	Adjusting Chain Tension	Adjusting Chain Tension	Adjusting Chain Tension and Position of Slide	Used in combination with SRC
Material	Steel	Stainless Steel	Steel	Stainless Steel	Steel	Steel	Stainless Steel	Steel	Steel
Thread Size	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SRC-100-100-R SRC-100-145-R SRC-100-70-L SRC-100-70-R SRC-11-10-L SRC-11-10-R SRC-11-15-R SRC-11-20-R SRC-15-12-L SRC-15-12-R SRC-15-18-R SRC-15-25-R SRC-25-18-L SRC-25-18-R SRC-25-25-R SRC-25-40-R SRC-35-25-L SRC-35-25-R SRC-35-32-R SRC-35-55-R SRC-40-33-L SRC-40-33-R SRC-40-40-R SRC-40-70-R SRC-50-41-L SRC-50-41-R SRC-50-50-R SRC-50-75-R SRC-60-100-R SRC-60-49-L SRC-60-49-R SRC-60-63-R SRC-80-115-R SRC-80-60-L SRC-80-60-R SRC-80-80-R	SRCS-100-70-L SRCS-100-70-R SRCS-11-10-L SRCS-11-10-R SRCS-25-18-L SRCS-25-18-R SRCS-35-25-L SRCS-35-25-R SRCS-40-33-L SRCS-40-33-R SRCS-50-41-L SRCS-50-41-R SRCS-60-49-L SRCS-60-49-R SRCS-80-60-L SRCS-80-60-R	SRF-100 SRF-35 SRF-40 SRF-50 SRF-60 SRF-80	SRFS-35 SRFS-40 SRFS-50 SRFS-60 SRFS-80	SHS-M10-L SHS-M10-R SHS-M12-L SHS-M12-R SHS-M16-L SHS-M16-R SHS-M4-L SHS-M4-R SHS-M6-L SHS-M6-R SHS-M8-L SHS-M8-R	STR-100 STR-11 STR-15 STR-25 STR-35 STR-40 STR-50 STR-60 STR-80	STRS-100 STRS-11 STRS-25 STRS-35 STRS-40 STRS-50 STRS-60 STRS-80	STB-M10 STB-M12 STB-M16 STB-M4 STB-M6 STB-M8	SJN-M10 SJN-M12 SJN-M16 SJN-M2.5 SJN-M20 SJN-M3 SJN-M4 SJN-M6 SJN-M8

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Part Name	Joint Nut	Spring Posts	Spring Posts	Plate for fixing DIN Rail
Part Number	SJNS	SPOS-A	SPOS-B	EDP
Feature	Used in combination with SRCS	For Extension Spring,Bore type	For Extension Spring,Groove type	Bracket for DIN Rail
Material	Stainless Steel	Stainless Steel	Stainless Steel	Aluminum
Thread Size	-	-	-	-
CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications
List	SJNS-M10 SJNS-M12 SJNS-M16 SJNS-M2.5 SJNS-M20 SJNS-M4 SJNS-M6 SJNS-M8	SPOS-M3 SPOS-M4 SPOS-M5 SPOS-M6	SPOS-M10 SPOS-M12 SPOS-M3 SPOS-M4 SPOS-M5 SPOS-M6 SPOS-M8	EDP-70

Latest

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Introducing usage methods for brackets that can be positioned with one touch of a button.

Helpful Resources

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Captive Processing Service

Cleanroom Wash / Cleanroom Packing Service

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Designs and Examples of What NBK Can Create

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Special specifications

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Screw combination service

Solving common issues with Food Machinery（Food Packaging Machine）

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

Select the best screws for your needs

No. 7: SEMI Standards

No. 6: Thermal Cycling

Property of Special Material Screws

Hexalobular Internal Driving Feature for Bolts and Screws

Plastic Screw Property

The Anti-Vibration Coupling with High Rigidity

Advancements in Servomotor Coupling Technology

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Hints for correctly using NBK products: Retractable revolving grip

Hints for correctly using NBK products: Set Collars

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Choosing the most suitable coupling

Choosing the most suitable coupling

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Procedure of Selection

Procedure of Selection

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Solving common issues with Food Machinery（Food Packaging Machine）

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

Solving common issues with Food Machinery（Food Packaging Machine）

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

Use the NBK Captive Screw Series to be comply with CE

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No. 7: SEMI Standards

Machining marks must be prevented 【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】

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

About Couplings

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?

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

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No. ９: Increasing Throughput

No. 6: Thermal Cycling

Flexus【Muilti-Functional Machined Slotted Springs】

NBK SPECIAL SCREWS

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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

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

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

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

Select the best screws for your needs

No. 8: Preventing Part Fall-out

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