Screws with Special Surface Treatment

Image
Part Name	Hex Socket Head Cap 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	Hex Socket Head Cap Screws - Gold Coating	Hex Socket Head Cap Screws - SUS316L / Surface hardening treatment	Hex Head Screws (Galvanic Corrosion Prevention Treatment)
Part Number	SNS-EL	SNSS-FC	SNSS-MO	SNSS-BK	SNSS-RY	SNSS-TF	SNSS-AUS	SNSL-PN	SNH-GJ
Feature	High Strength	Seizing prevention	Seizing prevention	Reflection Resistance Corrosion Resistance	Chemical Resistance Reflection Resistance Seizing Prevention	Chemical Resistance Seizing Prevention	Seizing prevention	Seizing Prevention	Galvanic Corrosion Prevention
Material	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)	SUS316L	Steel
Surface Treatment	Electroless nickel plating	Fluorine coating	Molybdenum disulfide coating	Stainless Steel Black	Low temperature black chrome treatment	PTFE coating	Gold Coating (Gold Purity: 99.99 wt%)	Surface hardening treatment	Galvanic Corrosion Prevention Treatment
Thread Size	M3 ～ M10	M3 ～ M10	M3 ～ M10	M2 ～ M10	M3 ～ M10	M3 ～ M10	M3 ～ M10	M3 ～ M8	M5 ～ M16
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	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	SNSS-M10-AUS SNSS-M3-AUS SNSS-M4-AUS SNSS-M5-AUS SNSS-M6-AUS SNSS-M8-AUS	SNSL-M3-PN SNSL-M4-PN SNSL-M5-PN SNSL-M6-PN SNSL-M8-PN	SNH-M10-GJ SNH-M12-GJ SNH-M16-GJ SNH-M5-GJ SNH-M6-GJ SNH-M8-GJ

Image
Part Name	Hex Head Screws - PTFE Coating for Head	Hex Nuts (Galvanic Corrosion Prevention Treatment)	Washers (Galvanic Corrosion Prevention Treatment)
Part Number	SNHS-HTF	SHN-GJ	SWA-F-GJ
Feature	Chemical Resistance	Galvanic Corrosion Prevention	Galvanic Corrosion Prevention
Material	SUSXM7 (Equivalent to SUS304)	Steel	Steel
Surface Treatment	PTFE Coating (Head Only)	Galvanic Corrosion Prevention Treatment	Galvanic Corrosion Prevention Treatment
Thread Size	M3 ～ M8	M5 ～ M16	M5 ～ M16
CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications
List	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

Small Diameter 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.

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).

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

This page introduces washers. As well as a description of washers, the washer products handled by NBK are introduced.

No. ９: Increasing Throughput

Here we introduce products that help improve conveying speed and downsize equipment in order to increase throughput.

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