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	Panel Protection Washers (Steel)	Panel Protection Washers (Aluminum)	Panel Protection Washers (Stainless Steel)	Roller Chain Bolt	Roller Chain Bolt	Roller Chain Nut	Roller Chain Nut	Hexagon Stud Bolt	Turn Buckle - Dedicated to Roller Chain
Part Number	FPW	FPWA	FPWS	SRC	SRCS	SRF	SRFS	SHS	STR
Feature	Panel Protection	Panel Protection	Panel Protection	Standardizing Right and Left Screw	Standardizing Right and Left Screw	Nut Type	Nut Type	Standardizing Right and Left Screw	Adjusting Chain Tension
Material	Steel	Aluminum	Stainless Steel	Steel	Stainless 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	FPW-4-3.5 FPW-4-5.5 FPW-5-3.5 FPW-5-5.5 FPW-6-3.5 FPW-6-5.5	FPWA-4-3.5 FPWA-4-5.5 FPWA-5-3.5 FPWA-5-5.5 FPWA-6-3.5 FPWA-6-5.5	FPWS-4-3.5 FPWS-4-5.5 FPWS-5-3.5 FPWS-5-5.5 FPWS-6-3.5 FPWS-6-5.5	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

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Part Name	Turn Buckle - Dedicated to Roller Chain	Turn Buckle - General Purpose Male Screw Type	Joint Nut	Joint Nut	Spring Posts	Spring Posts	Plate for fixing DIN Rail
Part Number	STRS	STB	SJN	SJNS	SPOS-A	SPOS-B	EDP
Feature	Adjusting Chain Tension	Adjusting Chain Tension and Position of Slide	Used in combination with SRC	Used in combination with SRCS	For Extension Spring,Bore type	For Extension Spring,Groove type	Bracket for DIN Rail
Material	Stainless Steel	Steel	Steel	Stainless Steel	Stainless Steel	Stainless Steel	Aluminum
Thread Size	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	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	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

Washers: Essential Components for Secure Connections

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

Use the NBK Captive Screw Series to be comply with CE

No. 6: Thermal Cycling

Customization

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Screw combination service

Select the best screws for your needs

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

Only certain workersshould be able to remove screws 【Safety Measures/Precautionary Measures】

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

CE marking compliance is required【Workability/Maintenance】

Slip Torque of Coupling – Set Screw Type

General Tolerances

Hexagon Nuts

Key and Their Corresponding Keyways

Dimensions of Holes for Hexagon Socket Cap Screws

Auto-Positioning Units Frequently Asked Questions (FAQ)

Coupling and Single-axis Actuator Assembly Method

Hints for correctly using NBK products: Quick Positioning Brackets

Hints for correctly using NBK products: Captive Washer for Pull

Hints for correctly using NBK products: Metal Super Knob

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

Procedure of Selection

No. 8: Preventing Part Fall-out

What are Captive Screws? Introduction of the NBK Captive Series

Use the NBK Captive Screw Series to be comply with CE

Monitors need to be movable with one touch in accordance with the worker's height or the nature of the work【Improved productivity/workability】

No. 6: Thermal Cycling

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

What are Captive Screws? Introduction of the NBK Captive Series

Use the NBK Captive Screw Series to be comply with CE

Only certain workersshould be able to remove screws 【Safety Measures/Precautionary Measures】

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

Preventing gaps between the sheet and screw when fastening thin sheets

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

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

Higher torque and Lower price.

NBK SPECIAL SCREWS

What is a Coupling? Explanation of Types and Features

Vol.6 Varieties of Screws "Beyond" SUS

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

High-Gain Rubber Type Coupling XG2

A new generation of disk couplings

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

Vol.6 Varieties of Screws "Beyond" SUS

No. ９: Increasing Throughput

What makes our custom screws special

Customization

NBK SPECIAL SCREWS

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

Higher torque and Lower price.

Washers: Essential Components for Secure Connections

Select the best screws for your needs

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

What are Captive Screws? Introduction of the NBK Captive Series

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

Washers: Essential Components for Secure Connections

No. 8: Preventing Part Fall-out

Select the best screws for your needs

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

What are Captive Screws? Introduction of the NBK Captive Series

Vol.6　Varieties of Screws "Beyond" SUS

Vol.6　Varieties of Screws "Beyond" SUS

Vol.4　What are washers used for?

Vol.6　Varieties of Screws "Beyond" SUS