Screws with Special Surface Treatment

Image Hex Head Screws (Galvanic Corrosion Prevention Treatment) Hex Nuts (Galvanic Corrosion Prevention Treatment) Washers (Galvanic Corrosion Prevention Treatment) Hex Socket Head Cap Screws - SUS316L / Surface hardening treatment Hex Socket Head Cap Screws - Fluorine Coating Hex Socket Head Cap Screws - MoS<sub>2</sub> Coating Hex Socket Head Cap Screws - Super Black Hex Socket Head Cap Screws - Low Temperature Black Chrome Hex Socket Head Cap Screws - Teflon Coating
Part Number SNH-GJ SHN-GJ SWA-F-GJ SNSL-PN SNSS-FC SNSS-MO SNSS-BK SNSS-RY SNSS-TF
Part Name Hex Head Screws (Galvanic Corrosion Prevention Treatment) Hex Nuts (Galvanic Corrosion Prevention Treatment) Washers (Galvanic Corrosion Prevention Treatment) Hex Socket Head Cap Screws - SUS316L / Surface hardening treatment 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 - Teflon Coating
Material Steel Steel Steel SUS316L SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304)
Surface Treatment Galvanic Corrosion Prevention Treatment Galvanic Corrosion Prevention Treatment Galvanic Corrosion Prevention Treatment Surface hardening treatment Fluorine coating Molybdenum disulfide coating Stainless Steel Black Low temperature black chrome treatment Teflon coating
Thread Size M5 ～ M16 M5 ～ M16 - M3 ～ M8 M3 ～ M10 M3 ～ M10 M2 ～ M10 M3 ～ M10 M3 ～ M10
Feature Galvanic Corrosion Prevention Galvanic Corrosion Prevention Galvanic Corrosion Prevention Seizing Prevention Seizing prevention Seizing prevention Reflection Resistance
Corrosion Resistance		 Chemical Resistance
Reflection Resistance
Seizing Prevention		 Chemical Resistance
Seizing Prevention
Image Hex Socket Head Cap Screws - Gold Coating Hex Socket Head Cap Screws - Electroless Nickel Plating Hex Head Screws - Teflon Coating for Head
Part Number SNSS-AUS SNS-EL SNHS-HTF
Part Name Hex Socket Head Cap Screws - Gold Coating Hex Socket Head Cap Screws - Electroless Nickel Plating Hex Head Screws - Teflon Coating for Head
Material SUSXM7 (Equivalent to SUS304) Steel SUSXM7 (Equivalent to SUS304)
Surface Treatment Gold Coating (Gold Purity: 99.99 wt%) Electroless nickel plating Teflon Coating (Head Only)
Thread Size M3 ～ M10 M3 ～ M10 M3 ～ M8
Feature Seizing prevention High Strength Chemical Resistance

Latest

Screw combination service

For customers who want to change the threaded portion of a lever or knob

Have your chosen screw delivered attached to a lever/knob female screw product!

Captive Processing Service

For customers who want to prevent screws from falling off

We can add relief-cut treatment to screws to prevent them from falling off.

Vibration Resistant Treament Service

For customers who want to prevent screws from loosening

We will coat screws with microcapsules containing an adhesive agent to prevent loosening.

Cleanroom Wash / Cleanroom Packing Service

For customers who want to remove impurities and dust from the surface of products

We will cleanroom wash and cleanroom pack products as desired.

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What is a Screw

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Seized screws that won't come out are no small matter to deal with.Why does a screw "seize"? How can we prevent Galling and Seizing ?What exactly is Galling and Seizing? Nedzigon makes it all clear to you!

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

Introducing screws which support use with vacuum equipment.

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

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

Use the NBK Captive Screw Series to be comply with CE

This is the page for captive screws. Screws that secure a protective cover or inspection cover of equipment and devices must not fall out of the cover when it is removed. Use NBK's captive screw series to comply with CE marking.

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