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

Hints for correctly using NBK products: Quick Positioning Brackets

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

Helpful Resources

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

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

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

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

No. ９: Increasing Throughput

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

No. 7: SEMI Standards

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

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

Tools that can be used even in locations where magnetization must be avoided are required【Workability/Maintenance】

Hexalobular Internal Driving Feature for Bolts and Screws

Plastic Screw Property

Property of Special Material Screws

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

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

No. ９: Increasing Throughput

No. 8: Preventing Part Fall-out

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

No. 7: SEMI Standards

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

No. 2: Vacuum environments

Hints for correctly using NBK products: Retractable revolving grip

Countermeasures for screw loosening are required 【Safety / 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?

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

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

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

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

Jaw Type Couplings Lineup List

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

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

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

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

No. ９: Increasing Throughput

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