Screws with Special Surface Treatment

Screws with surface treatment for seizing prevention and reflection resistance.

Image
Part Name	Hex Socket Head Cap Screws - Electroless Nickel Plating	Socket Head Cap Captive Screws - Electroless Nickel Plating	Hex Socket Head Cap Screws - Fluorine Coating	Hex Socket Head Cap Screws - MoS₂ Coating	Hex Socket Head Cap Screws - Super Black	Hex Socket Head Cap Screws - Low Temperature Black Chrome	Hex Socket Head Cap Screws - PTFE Coating	Socket Head Cap Screws with Ventilation Hole - Silver Plating	Socket Head Cap Screws with Ventilation Hole - MoS₂ Shot
Part Number	SNS-EL	SSC-SNS-EL	SNSS-FC	SNSS-MO	SNSS-BK	SNSS-RY	SNSS-TF	SVSS-AG	SVSS-MOS
Feature	High Strength	High Strength Captive/Loss Prevention	Seizing prevention	Seizing prevention	Reflection Resistance Corrosion Resistance	Chemical Resistance Reflection Resistance Seizing Prevention	Chemical Resistance Seizing Prevention	Seizing prevention	Seizing prevention
Material	Steel	Steel	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)
Surface Treatment	Electroless nickel plating	Electroless nickel plating	Fluorine coating	Molybdenum disulfide coating	Stainless Steel Black	Low temperature black chrome treatment	PTFE coating	Silver plating	Molybdenum Disulfide Shot Treatment
Thread Size	M3 ～ M10	M3 ～ M8	M3 ～ M10	M3 ～ M10	M2 ～ M10	M3 ～ M10	M3 ～ M10	M3 ～ M8	M3 ～ M8
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNS-M10-EL SNS-M3-EL SNS-M4-EL SNS-M5-EL SNS-M6-EL SNS-M8-EL	SSC-SNS-M3-EL SSC-SNS-M4-EL SSC-SNS-M5-EL SSC-SNS-M6-EL SSC-SNS-M8-EL	SNSS-M10-FC SNSS-M3-FC SNSS-M4-FC SNSS-M5-FC SNSS-M6-FC SNSS-M8-FC	SNSS-M10-MO SNSS-M3-MO SNSS-M4-MO SNSS-M5-MO SNSS-M6-MO SNSS-M8-MO	SNSS-M10-BK SNSS-M2-BK SNSS-M3-BK SNSS-M4-BK SNSS-M5-BK SNSS-M6-BK SNSS-M8-BK	SNSS-M10-RY SNSS-M3-RY SNSS-M4-RY SNSS-M5-RY SNSS-M6-RY SNSS-M8-RY	SNSS-M10-TF SNSS-M3-TF SNSS-M4-TF SNSS-M5-TF SNSS-M6-TF SNSS-M8-TF	SVSS-M3-AG SVSS-M4-AG SVSS-M5-AG SVSS-M6-AG SVSS-M8-AG	SVSS-M3-MOS SVSS-M4-MOS SVSS-M5-MOS SVSS-M6-MOS SVSS-M8-MOS

Image
Part Name	Socket Head Cap Captive Screws - Fluorine Coating	Socket Head Cap Captive Screws - Low Temperature Black Chrome Treatment	Socket Head Cap Captive Screws - PTFE Coating	Socket Head Cap Screws with Small Head - Fluorine Coating	Socket Head Cap Screws with Small Head - MoS₂ Coating	Socket Head Cap Screws with Ultra Low Small Head - Fluorine Coating	Socket Head Cap Screws with Ultra Low Small Head - MoS₂ Coating	Hex Socket Head Cap Screws - SUS316L / Surface hardening treatment	High Strength Stainless Steel Socket Head Cap Screws - Surface Hardening
Part Number	SSC-FC	SSC-RY	SSC-TF	SNSS-SD-FC	SNSS-SD-MO	SSHS-SD-FC	SSHS-SD-MO	SNSL-PN	SNSLG-PN
Feature	Seizing Prevention Captive/Loss Prevention	Chemical Resistance Anti-reflection Seizing Prevention Captive/Loss Prevention	Chemical Resistance Seizing Prevention Captive/Loss Prevention	Small Head Space-saving Seizing Prevention	Small Head Space-saving Seizing Prevention	Special Low Profile Small Head Space-saving Seizing Prevention	Special Low Profile Small Head Space-saving Seizing Prevention	Seizing Prevention	High Strength (Strength Class 10.8 Equivalent) Heat Resistance Seizing Prevention
Material	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUS316L	SUS316L
Surface Treatment	Fluorine coating	Low temperature black chrome treatment	PTFE coating	Fluorine coating	Molybdenum disulfide coating	Fluorine coating	Molybdenum disulfide coating	Surface hardening treatment	Surface hardening treatment
Thread Size	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M10	M3 ～ M10	M3 ～ M10	M3 ～ M10	M3 ～ M8	M3 ～ M6
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SSC-M3-FC SSC-M4-FC SSC-M5-FC SSC-M6-FC SSC-M8-FC	SSC-M3-RY SSC-M4-RY SSC-M5-RY SSC-M6-RY SSC-M8-RY	SSC-M3-TF SSC-M4-TF SSC-M5-TF SSC-M6-TF SSC-M8-TF	SNSS-M10-SD-FC SNSS-M3-SD-FC SNSS-M4-SD-FC SNSS-M5-SD-FC SNSS-M6-SD-FC SNSS-M8-SD-FC	SNSS-M10-SD-MO SNSS-M3-SD-MO SNSS-M4-SD-MO SNSS-M5-SD-MO SNSS-M6-SD-MO SNSS-M8-SD-MO	SSHS-M10-SD-FC SSHS-M3-SD-FC SSHS-M4-SD-FC SSHS-M5-SD-FC SSHS-M6-SD-FC SSHS-M8-SD-FC	SSHS-M10-SD-MO SSHS-M3-SD-MO SSHS-M4-SD-MO SSHS-M5-SD-MO SSHS-M6-SD-MO SSHS-M8-SD-MO	SNSL-M3-PN SNSL-M4-PN SNSL-M5-PN SNSL-M6-PN SNSL-M8-PN	SNSLG-M3-PN SNSLG-M4-PN SNSLG-M5-PN SNSLG-M6-PN

Image
Part Name	Hex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment	Hex Head Screws (Galvanic Corrosion Prevention Treatment)	Hex Head Screws - PFA Coating for Head	Hex Nuts (Galvanic Corrosion Prevention Treatment)	Washers (Galvanic Corrosion Prevention Treatment)
Part Number	SVSL-PN	SNH-GJ	SNHS-HTF	SHN-GJ	SWA-F-GJ
Feature	Seizing prevention	Galvanic Corrosion Prevention	Chemical Resistance	Galvanic Corrosion Prevention	Galvanic Corrosion Prevention
Material	SUS316L	Steel	SUSXM7 (Equivalent to SUS304)	Steel	Steel
Surface Treatment	Surface hardening treatment	Galvanic Corrosion Prevention Treatment	PFA Coating	Galvanic Corrosion Prevention Treatment	Galvanic Corrosion Prevention Treatment
Thread Size	M3 ～ M8	M5 ～ M16	M3 ～ M8	M5 ～ M16	M5 ～ M16
Operating Temperature (℃)	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SVSL-M3-PN SVSL-M4-PN SVSL-M5-PN SVSL-M6-PN SVSL-M8-PN	SNH-M10-GJ SNH-M12-GJ SNH-M16-GJ SNH-M5-GJ SNH-M6-GJ SNH-M8-GJ	SNHS-M3-HTF SNHS-M4-HTF SNHS-M5-HTF SNHS-M6-HTF SNHS-M8-HTF	SHN-M10-GJ SHN-M12-GJ SHN-M16-GJ SHN-M5-GJ SHN-M6-GJ SHN-M8-GJ	SWA-10.5-21-2-F-GJ SWA-13-24-2.5-F-GJ SWA-17-30-3-F-GJ SWA-5.3-10-1-F-GJ SWA-6.5-13-1-F-GJ SWA-8.5-18-1.6-F-GJ

Latest

Plastic Screw Property

This page describes "Plastic Screw Properties" such as PEEK, PTFE (Polytetrafluoroethylene), PPS, PC (polycarbonate) and PP (polypropylene).

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

Here we introduce advantages, usage examples, lineups and the like regarding screws with lower head height than ordinary screws, referred to as "low profile screws" or "low profile cap screws" (low head, slim head).

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

This page compares the dimensions of low profile and small head screws. Easily find screws that satisfy the desired dimensions, shape and material.

What are Hex Socket Head Cap Screws (cap bolts)?

Hex Socket Head Cap Screws (cap bolts) are bolts (screws) with hexagon-shaped holes in their heads. It lists product descriptions for hex socket head cap screws, recommended products, etc.

Helpful Resources

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

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

What are Hex Socket Head Cap Screws (cap bolts)?

No. 6: Thermal Cycling

What are Captive Screws? Introduction of the NBK Captive Series

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

No. 6: Thermal Cycling

Vol.1 What is Seizing (Galling)?

Vol.7 Screw Tightening Control Methods

Select the best screws for your needs

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

Plastic Screw Property

Vol.4 What are washers used for?

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

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Slip Torque of Coupling – Set Screw Type

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. 6: Thermal Cycling

What are Captive Screws? Introduction of the NBK Captive Series

No. ９: Increasing Throughput

No. 2: Vacuum environments

Vol.7 Screw Tightening Control Methods

What are Captive Screws? Introduction of the NBK Captive Series

SEMS Screws: Efficiency and Convenience in Fastening

No. 2: Vacuum environments

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

Use the NBK Captive Screw Series to be comply with CE

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 Characteristics

Vol.6 Varieties of Screws "Beyond" SUS

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

A new generation of disk couplings

High-Gain Rubber Type Coupling XG2

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

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

No. 6: Thermal Cycling

No. ９: Increasing Throughput

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

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.

Plastic Screw Property

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

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

What are Hex Socket Head Cap Screws (cap bolts)?

What are Captive Screws? Introduction of the NBK Captive Series

Plastic Screw Property

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

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

What are Hex Socket Head Cap Screws (cap bolts)?

No. 6: Thermal Cycling

Vol.1　What is Seizing (Galling)?

Vol.7　Screw Tightening Control Methods

Vol.4　What are washers used for?

Vol.7　Screw Tightening Control Methods

Vol.6　Varieties of Screws "Beyond" SUS

Vol.1　What is Seizing (Galling)?

Vol.7　Screw Tightening Control Methods

Vol.1　What is Seizing (Galling)?

Vol.4　What are washers used for?

Vol.7　Screw Tightening Control Methods