Special Material Screws

Image 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 Socket Head Cap Screw -Hastelloy C-276　equiv.
Number SNSMN SNSI SHNI SWAI-F SNSM SNFCM SHNM SWAM-F SNSH-C276
Name 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 Socket Head Cap Screw -Hastelloy C-276　equiv.
Material Monel Inconel Inconel Inconel Pure molybdenum Pure molybdenum Pure molybdenum Pure molybdenum Hastelloy
Surface Treatment - - - - - - - - -
Size M3 ～ M6 M3 ～ M8 M3 ～ M8 - M3 ～ M8 M2 ～ M4 M3 ～ M8 - M3 ～ M8
Feature Chemical-proof
Heat-resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Heat Resistance Heat-resistance Heat Resistance Heat Resistance Chemical Resistance
Image 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 Hex Nuts - Ceramic
Number SNSH-C22 SNSN SNSIV SNSP SNSA SCAP-AL SCX-C SCX-H SCX-N
Name 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 Hex Nuts - Ceramic
Material Hastelloy Pure Nickel (Ni 99.0%) Super Invar C5191 (Phosphor Bronze) A5056 A5056 Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%)
Surface Treatment - - - - - - - - -
Size M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M5×0.5 ～ M16×1 M3 ～ M10 M3 ～ M10 M3 ～ M10
Feature 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		 Chemical Resistance
Heat Resistance
Electrical Insulation
Image Cover Caps
Number SCAP-CE
Name Cover Caps
Material Al2O3 (Alumina 99.5%)
Surface Treatment -
Size M5×0.5 ～ M16×1
Feature Heat Resistance
Chemical Resistance

Electrical Insulation

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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.

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Introducing screws using stainless steel/titanium screws with strength equivalent to steel for space and weight saving.

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

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

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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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