High Performance Stainless Steel Screws

High performance stainless steel screws have excellent strength, heat resistance, and corrosion resistance compared to standard stainless steel screws.

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Part Name	Socket Head Cap Screws - SUS310S	Socket Head Cap Screws - SUH660	Hex Socket Head Cap Screws (SUS316L)	Hex Socket Head Cap Screws - 316L Stainless Steel ｰ Cleanroom Washed & Packaged	Socket Head Cap Screws - 316L Stainless Steel - Specialized Chemical Polishing	Hex Socket Head Cap Screws - SUS316L / Surface hardening treatment	High Strength Stainless Steel Socket Head Cap Screws	Hex Socket Head Cap Screws - High Intensity S.S.	Hex Socket Head Cap Screws - High Intensity S.S.
Part Number	SNSJ	SNSU-AT	SNSL	SNSL-UCL	SNSL-PC	SNSL-PN	SNSLG	SNSX-88	SNSX-109
Feature	Heat Resistance Chemical Resistance	Heat Resistance High Strength High Specific Strength	Heat Resistance Corrosion Resistance Nonmagnetic	Cleanroom Washed & Packaged	Heat Resistance Corrosion Resistance Non-magnetic Low Outgas	Seizing Prevention	High Strength (Tensile Strength Ranking 10.8 Equivalent) Heat Resistance Corrosion Resistance Nonmagnetic	High Strength HeatResistance Corrosion Resistance Nonmagnetic	High Strength HeatResistance Corrosion Resistance Nonmagnetic
Material	SUS310S	SUH660	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L HiMo	SUS316L HiMo
Surface Treatment	-	-	-	-	Special Chemical Polishing	Surface hardening treatment	-	-	-
Thread Size	M3 ～ M10	M3 ～ M6	M2 ～ M8	M3 ～ M6	M3 ～ M8	M3 ～ M8	M3 ～ M10	M3 ～ M8	M6 ～ M12
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNSJ-M10 SNSJ-M3 SNSJ-M4 SNSJ-M5 SNSJ-M6 SNSJ-M8	SNSU-M3-AT SNSU-M4-AT SNSU-M5-AT SNSU-M6-AT	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	SNSL-M3-PC SNSL-M4-PC SNSL-M5-PC SNSL-M6-PC SNSL-M8-PC	SNSL-M3-PN SNSL-M4-PN SNSL-M5-PN SNSL-M6-PN SNSL-M8-PN	SNSLG-M10 SNSLG-M3 SNSLG-M4 SNSLG-M5 SNSLG-M6 SNSLG-M8	SNSX-M3-88 SNSX-M4-88 SNSX-M5-88 SNSX-M6-88 SNSX-M8-88	SNSX-M10-109 SNSX-M12-109 SNSX-M6-109 SNSX-M8-109

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Part Name	High Strength Stainless Steel Socket Head Cap Screws - Cleanroom Washed & Packaged	High Strength Stainless Steel Socket Head Cap Screws with Nylon Patch	High Strength Stainless Steel Socket Head Cap Screws - Specialized Chemical Polishing	High Strength Stainless Steel Socket Head Cap Screws - Surface Hardening	High Strength Stainless Steel Socket Head Cap Screws – PTFE Coating	High Strength Stainless Steel Socket Head Cap Screws – Low Temperature Black Chrome Treatment	Socket Head Cap Screws with Low Profile - 316L Stainless Steel	Socket Head Cap Screws with Ultra Low Profile - 316L Stainless Steel	Socket Head Cap Screws with Ultra Low Profile - 316L Stainless Steel - Cleanroom Washed & Packaged
Part Number	SNSLG-UCL	SNSLG-ALK	SNSLG-PC	SNSLG-PN	SNSLG-TF	SNSLG-RY	SLHL	SSHL	SSHL-UCL
Feature	High Strength (Strength Class 10.8 Equiv.) Heat Resistance Corrosion Resistance Non-magnetic Cleanroom Washed & Packaged	High Strength (Strength Class 10.8 Equivalent) Non-magnetic Nylon Patch	High Strength (Strength Class 10.8 Equivalent) Low Outgas Non-magnetic	High Strength (Strength Class 10.8 Equivalent) Heat Resistance Seizing Prevention	High Strength (Strength Class 10.8 Equivalent) Non-magnetic Chemical Resistance Seizing Prevention	High Strength (Strength Class 10.8 Equivalent) Non-magnetic Chemical Resistance Anti-reflection Seizing Prevention	Space-Saving Low Profile	Space-Saving Ultra Low Profile	Space-Saving Ultra Low Profile Cleanroom Washed & Packaged
Material	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L
Surface Treatment	-	-	Special Chemical Polishing	Surface hardening treatment	PTFE coating	Low temperature black chrome treatment	-	-	-
Thread Size	M3 ～ M6	M3 ～ M6	M3 ～ M6	M3 ～ M6	M3 ～ M6	M3 ～ M6	M3 ～ M6	M3 ～ M5	M3 ～ M5
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNSLG-M3-UCL SNSLG-M4-UCL SNSLG-M5-UCL SNSLG-M6-UCL	SNSLG-M3-ALK SNSLG-M4-ALK SNSLG-M5-ALK SNSLG-M6-ALK	SNSLG-M3-PC SNSLG-M4-PC SNSLG-M5-PC SNSLG-M6-PC	SNSLG-M3-PN SNSLG-M4-PN SNSLG-M5-PN SNSLG-M6-PN	SNSLG-M3-TF SNSLG-M4-TF SNSLG-M5-TF SNSLG-M6-TF	SNSLG-M3-RY SNSLG-M4-RY SNSLG-M5-RY SNSLG-M6-RY	SLHL-M3 SLHL-M4 SLHL-M5 SLHL-M6	SSHL-M3 SSHL-M4 SSHL-M5	SSHL-M3-UCL SSHL-M4-UCL SSHL-M5-UCL

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Part Name	Socket Head Cap Screws with Small Head - 316L Stainless Steel	Socket Head Cap Screws with Ultra Low Profile & Small Head - 316L Stainless Steel	Hex Socket Head Cap Screws with Captive Washers- High Strength Stainless Steel	Duplex Stainless Steel Hexagon Head Screw	Hex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment	Vented High Strength Stainless Steel Socket Head Cap Screws – Surface Hardening	Vented Socket Head Cap Screws with Ultra Low Profile - 316L Stainless Steel	Vented Socket Head Cap Screws with Small Head - 316L Stainless Steel	Vented Socket Head Cap Screws with Ultra Low Profile & Small Head - 316L Stainless Steel
Part Number	SNSL-SD	SSHL-SD	SNSQLG	SNHDS	SVSL-PN	SVSLG-PN	SVSHL	SVSL-SD	SVSHL-SD
Feature	Small Head Heat Resistance Corrosion Resistance Non-magnetic	Special Low Profile Small Head Space-saving Non-magnetic	High Strength (Strength Class 10.8 Equivalent) Heat Resistance Corrosion Resistance Nonmagnetic Captive Washers I=3	High Strength CorrosionResistance Magnetic	Seizing prevention	High Strength (Strength Class 10.8 Equivalent)	Space-Saving Ultra Low Profile	Small Head Corrosion Resistance Non-magnetic	Special Low Profile Small Head Space-saving Non-magnetic
Material	SUS316L	SUS316L	SUS316L	-	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L
Surface Treatment	-	-	-	-	Surface hardening treatment	Surface hardening treatment	-	-	-
Thread Size	M2 ～ M8	M3 ～ M5	M3 ～ M6	M12 ～ M24	M3 ～ M8	M3 ～ M6	M3 ～ M5	M2 ～ M8	M3 ～ M5
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNSL-M2.5-SD SNSL-M2-SD SNSL-M3-SD SNSL-M4-SD SNSL-M5-SD SNSL-M6-SD SNSL-M8-SD	SSHL-M3-SD SSHL-M4-SD SSHL-M5-SD	SNSQLG-M3 SNSQLG-M4 SNSQLG-M5 SNSQLG-M6	SNHDS-M12 SNHDS-M16 SNHDS-M20 SNHDS-M24	SVSL-M3-PN SVSL-M4-PN SVSL-M5-PN SVSL-M6-PN SVSL-M8-PN	SVSLG-M3-PN SVSLG-M4-PN SVSLG-M5-PN SVSLG-M6-PN	SVSHL-M3 SVSHL-M4 SVSHL-M5	SVSL-M2-SD SVSL-M3-SD SVSL-M4-SD SVSL-M5-SD SVSL-M6-SD SVSL-M8-SD	SVSHL-M3-SD SVSHL-M4-SD SVSHL-M5-SD

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Part Name	Hex Socket Head Cap Screws with Captive Washers and Ventilation Hole - High Strength Stainless Steel	Socket Head Cap Captive Screws - SUS316L	Socket Head Cap Captive Screws - High Intensity Stainless Steel	Hexagon Head Captive Screws - SUS316L	Phillips Pan Head Captive Screws - SUS316L	Phillips Truss Head Captive Screws - SUS316L	Hex Nut - SUS310S	Duplex Stainless Steel Hexagon Nuts	Washer - SUS310S
Part Number	SVSQLG	SSC-SNSL	SSC-SNSLG	SSC-SNHL	SSCPL	SSCML	SHNJ	SHNDS	SWAJ-F
Feature	High Strength (Strength Class 10.8 Equivalent) Captive Washers I=3	Non-magnetic Chemical Resistance Heat Resistance Captive / Loss Prevention	High Strength (Strength Class 10.8 Equivalent) Heat Resistance Corrosion Resistance Non-magnetic Captive / Loss Prevention	Hex Head Captive Screws Captive / Loss Prevention	Pan Head Machine Screws Captive / Loss Prevention	Truss Head Screws Captive / Loss Prevention	Heat Resistance Chemical Resistance	High Strength CorrosionResistance Magnetic	Heat Resistance Chemical Resistance
Material	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS310S	-	SUS310S
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M6	M3 ～ M8	M3 ～ M6	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M10	M12 ～ M24	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	SVSQLG-M3 SVSQLG-M4 SVSQLG-M5 SVSQLG-M6	SSC-SNSL-M3 SSC-SNSL-M4 SSC-SNSL-M5 SSC-SNSL-M6 SSC-SNSL-M8	SSC-SNSLG-M3 SSC-SNSLG-M4 SSC-SNSLG-M5 SSC-SNSLG-M6	SSC-SNHL-M3 SSC-SNHL-M4 SSC-SNHL-M5 SSC-SNHL-M6 SSC-SNHL-M8	SSCPL-M3 SSCPL-M4 SSCPL-M5 SSCPL-M6 SSCPL-M8	SSCML-M3 SSCML-M4 SSCML-M5 SSCML-M6 SSCML-M8	SHNJ-M10 SHNJ-M3 SHNJ-M4 SHNJ-M5 SHNJ-M6 SHNJ-M8	SHNDS-M12 SHNDS-M16 SHNDS-M20 SHNDS-M24	SWAJ-10-F SWAJ-3-F SWAJ-4-F SWAJ-5-F SWAJ-6-F SWAJ-8-F

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Part Name	Plain Washers for High Strength Stainless Steel Bolts
Part Number	SWALG-F
Feature	Heat Resistance Chemical Resistance
Material	SUS316L
Surface Treatment	-
Thread Size	M3 ～ M6
Operating Temperature (℃)	-
CAD	CAD
Specifications	Specifications
List	SWALG-3-F SWALG-4-F SWALG-5-F SWALG-6-F

Latest

No. 2: Vacuum environments

Vacuum technology is often used in semiconductor manufacturing equipment. A vacuum is not required for all equipment. A vacuum would mainly be required for equipment that uses plasma or an electron beam. In Part 2, we introduce some NBK products that are ideal for use in these vacuum environments!

Description of Tamper Resistant Screws for the Engineers

This is the page on tamper-resistant screws in "Description of Special Screws for Designers." We introduce here what tamper-resistant screws are, the advantages of their use, various usage examples, and their types and characteristics.

Galling and Seizing

This is a phenomenon that occurs while tightening, where the surface of the screw thread melts or welds due to frictional heat and the screw stops moving. To resolve galling, NBK's special surface treatment screws, such as those with fluorine coating, are recommended.

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

NBK offers a wide-ranging lineup of small-diameter screws in various shapes and materials.
Various head diameters and heights are available for the same screw diameters, contributing to saving space.

Helpful Resources

No. 2: Vacuum environments

Description of Tamper Resistant Screws for the Engineers

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

No. 6: Thermal Cycling

Miniature Screws/Precision Screws Lineup List

Customization

Flexus

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

Galling and Seizing

No. 6: Thermal Cycling

Increased degree of vacuum in equipment is required 【Productivity increase】

Select the best screws for your needs

Select Based on Application

Slip Torque of Coupling – Set Screw Type

Property of High Performance Stainless Steel Screws

Plastic Screw Property

Vol.4 What are washers used for?

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

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

Hints for correctly using NBK products: Ball Plungers

Procedure of Selection

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

No. 2: Vacuum environments

Galling and Seizing

No. 6: Thermal Cycling

Increased degree of vacuum in equipment is required 【Productivity increase】

What is a Coupling? Explanation of Types and Characteristics

No. 2: Vacuum environments

Description of Tamper Resistant Screws for the Engineers

SEMS Screws: Efficiency and Convenience in Fastening

What are Hex Nuts?

Theft Prevention Nuts

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

Preventing gaps between the sheet and screw when fastening thin sheets

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 Characteristics

Select Based on Application

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

Vol.6 Varieties of Screws "Beyond" SUS

A new generation of disk couplings

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

No. 6: Thermal Cycling

Miniature Screws/Precision Screws Lineup List

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

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

What makes our custom screws special

Customization

NBK SPECIAL SCREWS

Flexus

Designs and Examples of What NBK Can Create

No. 6: Thermal Cycling

Select Based on Application

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

No. 5: Solving common problems inside equipment

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

No. 2: Vacuum environments

Description of Tamper Resistant Screws for the Engineers

Galling and Seizing

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

Miniature Screws/Precision Screws Lineup List

No. 2: Vacuum environments

Description of Tamper Resistant Screws for the Engineers

Galling and Seizing

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

No. 6: Thermal Cycling

Vol.4　What are washers used for?

Vol.6　Varieties of Screws "Beyond" SUS

Vol.1　What is Seizing (Galling)?

Vol.4　What are washers used for?

Vol.7　Screw Tightening Control Methods