Special Material Screws

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Number	SNSMN	SNSI	SHNI	SWAI-F	SNSM	SNFCM	SHNM	SWAM-F	SNSH-C276
Name	Hex Socket Head Cap Screws (Monel 400 equiv.)	Socket Head Cap Screw -Inconel equiv.	Inconel Hex Nut	Inconel Washer	Hex Socket Head Cap Screws - Molybdenum	Hexagon Socket Countersunk Head Screw - Molybdenum	Hex Nuts - Molybdenum	Washers - Molybdenum	Socket Head Cap Screw -Hastelloy C-276　equiv.
Material	Monel	Inconel	Inconel	Inconel	Pure molybdenum	Pure molybdenum	Pure molybdenum	Pure molybdenum	Hastelloy
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M3 ～ M6	M3 ～ M8	M3 ～ M8	-	M3 ～ M8	M2 ～ M4	M3 ～ M8	-	M3 ～ M8
Feature	Chemical-proof Heat-resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Heat Resistance	Heat-resistance	Heat Resistance	Heat Resistance	Chemical Resistance

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Number	SNSH-C22	SNSN	SNSIV	SNSP	SNSA	SCAP-AL	SCX-C	SCX-H	SCX-N
Name	Socket Head Cap Screw -Hastelloy C-22　equiv.	Hex Socket Head Cap Screws - Nickel	Hex Socket Head Cap Screws - Super Invar	Hex Socket Head Cap Screws - Phosphor Bronze	Hex Socket Head Cap Screws - Aluminum	Cover Caps	Ceramic Bolt	Ceramic Bolt	Hex Nuts - Ceramic
Material	Hastelloy	Pure Nickel (Ni 99.0%)	Super Invar	C5191 (Phosphor Bronze)	A5056	A5056	Al2O3 (Alumina 99.5%)	Al2O3 (Alumina 99.5%)	Al2O3 (Alumina 99.5%)
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M5×0.5 ～ M16×1	M3 ～ M10	M3 ～ M10	M3 ～ M10
Feature	Chemical Resistance	Chemical Resistance Heat Resistance	Low Expansion	Non-Magnetic	Lightweight	Low Outgas Corrosion Resistance	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation

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Number	SCAP-CE
Name	Cover Caps
Material	Al2O3 (Alumina 99.5%)
Surface Treatment	-
Size	M5×0.5 ～ M16×1
Feature	Heat Resistance Chemical Resistance Electrical Insulation

Latest

Small screws are required 【Compact / lightweight】

Introducing a rich lineup of miniature screws and precision screws.

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Introducing screws using stainless steel/titanium screws with strength equivalent to steel for space and weight saving.

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

Introducing screws with excellent chemical resistance and screws with head coatings.

Screws in places unreachable by hand need to be tightened 【Workability / maintenance】

Introducing a product for holding screws with excellent workability.

Helpful Resources

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The Wireless Positioning Unit dramatically improves setup work

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Designs and Examples of What NBK Can Create

Custom made

Special specifications

Customization & Environmental Report

Plungers : Related Information

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Vol. 11 Back to Basics Series! Introducing Various Types of Screws

Vol.4 What are washers used for?

Vol.2 Explaining the Vocabulary of Screws

Titanium Property

Hints for correctly using NBK products: Set Collars

Hints for correctly using NBK products: Captive Series (relief-cut thread)

Hints for correctly using NBK products: Scale Plate (Half scale)

Only takes two minutes to understand! Wireless Positioning Unit (EPU-100・ EPC-100) Connection/Operating Method

Only takes two minutes to understand!Wireless Positioning Units (EPU-200 EPC-200) Installation/Connection Method

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection

Procedure of Selection (Actuator)

Procedure of Selection

How to Check the Screw Tightening Torque

How to Adjust the Alignment

Shaft Insertion Amount When Assembling the Coupling and Single-axis Actuator

Mounting and Maintenance

Rotation shaft vibration must be suppressed 【Productivity increase】

Servomotor hunting must be suppressed 【Productivity increase】

Screws in places unreachable by hand need to be tightened 【Workability / maintenance】

Stainless steel screws must be prevented from galling / seizing 【Workability / maintenance】

Removing stripped screws 【Workability / maintenance】

Countermeasures for screw loosening are required 【Safety / precautionary measures】

Theft / tampering countermeasures are required 【Safety / precautionary measures】

Improvement points for FA Devices【Drive Design】

Disturbances / vibrations must be suppressed 【Safety / precautionary measures】

Improvement points for FA Devices【Control Design】

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】

Improvement points for FA Devices【Drive Design】

Improvement points for FA Devices【Control Design】

Solving common issues with Medical Equipment（CT scan / MRI）

Solving common issues with Machine Tools（Machining Center）

Solving common issues with Medical Equipment（Biochemical Analyzer）

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

350% instantaneous maximum torque needs to be handled 【Compact / lightweight】

Improvement points for FA Devices【Control Design】

Improved coupling insulation properties are required 【Compact / lightweight】

NBK SPECIAL SCREWS

Designs and Examples of What NBK Can Create

Custom made

Special specifications

Customization & Environmental Report

Improved reproducibility of the main column / reference position is required 【High rigidity / high accuracy】

Solving common issues with Machine Tools（Machining Center）

Stable speed control of the raising / lowering shaft is required 【High rigidity / high accuracy】

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

Improvement points for FA Devices【Unit Design】

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Shaft radial load must be suppressed 【Automation / robots / motorization】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Rotation shaft vibration must be suppressed 【Productivity increase】

Vol.4　What are washers used for?

Vol.2　Explaining the Vocabulary of Screws

Vol. 9　Sudden Bolt "Delayed Fracture"