Special Material Screws

Image Socket Head Cap Screw -Inconel equiv. Socket Head Cap Screw -Hastelloy C-276　equiv. Socket Head Cap Screw -Hastelloy C-22　equiv. Hex Socket Head Cap Screws (MAT21) Hex Socket Head Cap Screws - Nickel Hex Socket Head Cap Screws (Monel 400 equiv.) Hex Socket Head Cap Screws - Super Invar Hex Socket Head Cap Screws - Molybdenum Hex Socket Head Cap Screws - Phosphor Bronze
Part Number SNSI SNSH-C276 SNSH-C22 SNSMT SNSN SNSMN SNSIV SNSM SNSP
Part Name Socket Head Cap Screw -Inconel equiv. Socket Head Cap Screw -Hastelloy C-276　equiv. Socket Head Cap Screw -Hastelloy C-22　equiv. Hex Socket Head Cap Screws (MAT21) Hex Socket Head Cap Screws - Nickel Hex Socket Head Cap Screws (Monel 400 equiv.) Hex Socket Head Cap Screws - Super Invar Hex Socket Head Cap Screws - Molybdenum Hex Socket Head Cap Screws - Phosphor Bronze
Material Inconel Hastelloy Hastelloy MAT21 Pure Nickel (Ni 99.0%) Monel Super Invar Pure molybdenum C5191 (Phosphor Bronze)
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M6 M3 ～ M8 M3 ～ M8 M3 ～ M8
Feature Chemical Resistance
Heat Resistance		 Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance
Heat Resistance		 Chemical-proof
Heat-resistance		 Low Expansion Heat Resistance Non-Magnetic
Image Hex Socket Head Cap Screws - Aluminum Ceramic Bolt Ceramic Bolt Hexagon Socket Countersunk Head Screw - Molybdenum Inconel Hex Nut Hex Nuts - Molybdenum Hex Nuts - Ceramic Inconel Washer Washers - Molybdenum
Part Number SNSA SCX-C SCX-H SNFCM SHNI SHNM SCX-N SWAI-F SWAM-F
Part Name Hex Socket Head Cap Screws - Aluminum Ceramic Bolt Ceramic Bolt Hexagon Socket Countersunk Head Screw - Molybdenum Inconel Hex Nut Hex Nuts - Molybdenum Hex Nuts - Ceramic Inconel Washer Washers - Molybdenum
Material A5056 Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%) Pure molybdenum Inconel Pure molybdenum Al2O3 (Alumina 99.5%) Inconel Pure molybdenum
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M8 M3 ～ M10 M3 ～ M10 M2 ～ M4 M3 ～ M8 M3 ～ M8 M3 ～ M10 - -
Feature Lightweight Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Heat-resistance Chemical Resistance
Heat Resistance		 Heat Resistance Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance		 Heat Resistance
Image Cover Caps Cover Caps
Part Number SCAP-AL SCAP-CE
Part Name Cover Caps Cover Caps
Material A5056 Al2O3 (Alumina 99.5%)
Surface Treatment - -
Thread Size M5 ～ M16 M5 ～ M16
Feature Low Outgas
Corrosion Resistance		 Heat Resistance
Chemical Resistance

Electrical Insulation

Latest

Laser engraving service

For customers who want to engrave operation procedures or marks on handles or levers，etc

Various marks and letters are laser-engraved on NBK products. 

resources_NC_specialmaterialscrew2

Property of Special Material Screws

This page describes "Properties of Special Material Screws" such as ceramic, nickel, aluminum, molybdenum, Inconel, Hastelloy and phosphor bronze.

resources_NC_plasticscrew

Plastic Screw Property

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

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!

Most Read

titaniumscrew

Dimensions of Holes for Hexagon Socket Cap Screws

This page describes "Dimensions of Holes for Hexagon Socket Cap Screws".

What is a Screw

Vol.4　What are washers used for?

Do you know the role washers play? Preventing scratches to the seating surface?
Preventing looseness? Maybe some of you are already long-time washer users?
Today,Nedzigon will explain the role of metal washers clearly.

Removing stripped screws 【Workability / maintenance】

Introducing a product with excellent workability that can remove damaged screws.

Galling and Seizing

This is a phenomenon that occurs while tightening, where the surface of the screw thread melts or welds due to frictional heat and the screw stops moving. To resolve galling, NBK's special surface treatment screws, such as those with fluorine coating, are recommended.

Helpful Resources

Search by purpose

Product IntroductionCustomizationServices & Product OptionsIssue/case studiesTechnical DataUsageSelection MethodInstallation Method/MaintenanceSafety PrecautionsGlossary

Search by keyword

Improved productivity/workabilitySafety measures/precautionary measuresReduced cost/energy saving/long lifeVibration prevention/high precisionCompact/space-saving/lightweightCustomizationHigh strength/high rigidityHeat resistance/corrosion resistanceElegant functionality/designCleanroom/vacuum/non-magneticSeizing PreventionAutomation/robots/motorizationOthers

Search by industry

Machine ToolsSemiconductor Manufacturing EquipmentFood MachineryAutomotive Manufacturing ProcessMedical EquipmentFA Devices

Search by series

Video LibraryHints for correctly using NBK productsSolution samplesWhat is a Screw?Description of Mechanical Components for EngineersDescription of Special Screws for Engineers3 Min Engineering TipsServices & Product OptionsTechnical Data

Search by product category

CouplingsSpecial ScrewsMachine ElementsFA solutions