Special Material Screws

Image Hex Socket Head Cap Screws (MAT21) 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
Number SNSMT SNSMN SNSI SHNI SWAI-F SNSM SNFCM SHNM SWAM-F
Name Hex Socket Head Cap Screws (MAT21) 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
Material MAT21 Monel Inconel Inconel Inconel Pure molybdenum Pure molybdenum Pure molybdenum Pure molybdenum
Surface Treatment - - - - - - - - -
Size M3 ～ M8 M3 ～ M6 M3 ～ M8 M3 ～ M8 - M3 ～ M8 M2 ～ M4 M3 ～ M8 -
Feature Chemical Resistance Chemical-proof
Heat-resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Heat Resistance Heat-resistance Heat Resistance Heat Resistance
Image Socket Head Cap Screw -Hastelloy C-276　equiv. 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
Number SNSH-C276 SNSH-C22 SNSN SNSIV SNSP SNSA SCAP-AL SCX-C SCX-H
Name Socket Head Cap Screw -Hastelloy C-276　equiv. 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
Material Hastelloy Hastelloy Pure Nickel (Ni 99.0%) Super Invar C5191 (Phosphor Bronze) A5056 A5056 Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%)
Surface Treatment - - - - - - - - -
Size M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M5 ～ M16 M3 ～ M10 M3 ～ M10
Feature Chemical Resistance 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
Image Hex Nuts - Ceramic Cover Caps
Number SCX-N SCAP-CE
Name Hex Nuts - Ceramic Cover Caps
Material Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%)
Surface Treatment - -
Size M3 ～ M10 M5 ～ M16
Feature Chemical Resistance
Heat Resistance
Electrical Insulation		 Heat Resistance
Chemical Resistance

Electrical Insulation

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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.

Screw Length Adjustment Service

For customers who require screws of non-standard lengths

We can cut screws to your preferred length in 1 mm increments.

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Plastic Screw Property

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

Small screws are required 【Compact / lightweight】

Introducing a rich lineup of miniature screws and precision screws.

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What is a Screw

Vol.1　Thinking about "Galling and Seizing"

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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