Special Material Screws

Image Hex Socket Head Cap Screws (Tantalum) 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
Part Name Hex Socket Head Cap Screws (Tantalum) 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
Part Number SNSTA SNSI SNSH-C276 SNSH-C22 SNSMT SNSN SNSMN SNSIV SNSM
Feature Chemical Resistance Chemical Resistance
Heat Resistance		 Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance
Heat Resistance		 Chemical-proof
Heat-resistance		 Low Expansion Heat Resistance
Material Tantalum Inconel equiv. Hastelloy equiv. Hastelloy equiv. MAT21 Pure Nickel (Ni 99.0%) Monel equiv. Super Invar Pure molybdenum
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M6 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M6 M3 ～ M8 M3 ～ M8
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SNSTA-M3 SNSTA-M4 SNSTA-M5 SNSTA-M6 SNSI-M3 SNSI-M4 SNSI-M5 SNSI-M6 SNSI-M8 SNSH-M3-C276 SNSH-M4-C276 SNSH-M5-C276 SNSH-M6-C276 SNSH-M8-C276 SNSH-M3-C22 SNSH-M4-C22 SNSH-M5-C22 SNSH-M6-C22 SNSH-M8-C22 SNSMT-M3 SNSMT-M4 SNSMT-M5 SNSMT-M6 SNSMT-M8 SNSN-M3 SNSN-M4 SNSN-M5 SNSN-M6 SNSN-M8 SNSMN-M3 SNSMN-M4 SNSMN-M5 SNSMN-M6 SNSIV-M3 SNSIV-M4 SNSIV-M5 SNSIV-M6 SNSIV-M8 SNSM-M3 SNSM-M4 SNSM-M5 SNSM-M6 SNSM-M8
Image Hex Socket Head Cap Screws - Phosphor Bronze Hex Socket Head Cap Screws - Aluminum Ceramic Hex Socket Head Cap Bolts Ceramic Hex Head Bolts Hexagon Socket Countersunk Head Screw - Molybdenum Slotted Pan Head Screws (Silicon Carbide) Inconel Hex Nut Hex Nuts - Molybdenum Hex Nuts - Ceramic
Part Name Hex Socket Head Cap Screws - Phosphor Bronze Hex Socket Head Cap Screws - Aluminum Ceramic Hex Socket Head Cap Bolts Ceramic Hex Head Bolts Hexagon Socket Countersunk Head Screw - Molybdenum Slotted Pan Head Screws (Silicon Carbide) Inconel Hex Nut Hex Nuts - Molybdenum Hex Nuts - Ceramic
Part Number SNSP SNSA SCX-C SCX-H SNFCM SICX-SX SHNI SHNM SCX-N
Feature Non-Magnetic Lightweight Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Heat-resistance Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Heat Resistance Chemical Resistance
Heat Resistance
Electrical Insulation
Material C5191 (Phosphor Bronze) A5056 Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%) Pure molybdenum Silicon Carbide (SiC) Inconel equiv. Pure molybdenum Al2O3 (Alumina 99.5%)
Surface Treatment - - - - - - - - -
Thread Size M2 ～ M8 M3 ～ M8 M3 ～ M10 M3 ～ M10 M2 ～ M4 M3 ～ M5 M3 ～ M8 M3 ～ M8 M3 ～ M10
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SNSP-M2 SNSP-M2.5 SNSP-M3 SNSP-M4 SNSP-M5 SNSP-M6 SNSP-M8 SNSA-M3 SNSA-M4 SNSA-M5 SNSA-M6 SNSA-M8 SCX-M10-C SCX-M3-C SCX-M4-C SCX-M5-C SCX-M6-C SCX-M8-C SCX-M10-H SCX-M3-H SCX-M4-H SCX-M5-H SCX-M6-H SCX-M8-H SNFCM-M2 SNFCM-M3 SNFCM-M4 SICX-M3-SX SICX-M4-SX SICX-M5-SX SHNI-M3 SHNI-M4 SHNI-M5 SHNI-M6 SHNI-M8 SHNM-M3 SHNM-M4 SHNM-M5 SHNM-M6 SHNM-M8 SCX-M10-N SCX-M3-N SCX-M4-N SCX-M5-N SCX-M6-N SCX-M8-N
Image Inconel Washer Washers - Molybdenum Cover Caps Cover Caps Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole Hex Socket Head Cap Screws (Hastelloy C-276 equiv.) with Ventilation Hole Hex Socket Head Cap Screws (Hastelloy C-22 equiv.) with Ventilation Hole Hex Socket Head Cap Screws with Special Low Profile (Hastelloy C-22 equiv.) Molybdenum Hex Socket Head Cap Screws with Ventilation Hole
Part Name Inconel Washer Washers - Molybdenum Cover Caps Cover Caps Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole Hex Socket Head Cap Screws (Hastelloy C-276 equiv.) with Ventilation Hole Hex Socket Head Cap Screws (Hastelloy C-22 equiv.) with Ventilation Hole Hex Socket Head Cap Screws with Special Low Profile (Hastelloy C-22 equiv.) Molybdenum Hex Socket Head Cap Screws with Ventilation Hole
Part Number SWAI-F SWAM-F SCAP-AL SCAP-CE SVSI SVSH-C276 SVSH-C22 SSHH-C22 SVSM
Feature Chemical Resistance
Heat Resistance		 Heat Resistance Low Outgas
Corrosion Resistance		 Heat Resistance
Chemical Resistance

Electrical Insulation		 Chemical Resistance
Heat Resistance		 Chemical Resistance Chemical Resistance Chemical Resistance
Special Low Profile
Space-saving		 Heat Resistance
Material Inconel equiv. Pure molybdenum A5056 Al2O3 (Alumina 99.5%) Inconel equiv. Hastelloy equiv. Hastelloy equiv. Hastelloy equiv. Pure molybdenum
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M8 M3 ～ M8 M5 ～ M16 M5 ～ M16 M3 ～ M8 M3 ～ M8 M3 ～ M8 M2 ～ M5 M3 ～ M8
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SWAI-3-F SWAI-4-F SWAI-5-F SWAI-6-F SWAI-8-F SWAM-3-F SWAM-4-F SWAM-5-F SWAM-6-F SWAM-8-F SCAP-10-AL SCAP-3-AL SCAP-4-AL SCAP-5-AL SCAP-6-AL SCAP-8-AL SCAP-10-CE SCAP-3-CE SCAP-4-CE SCAP-5-CE SCAP-6-CE SCAP-8-CE SVSI-M3 SVSI-M4 SVSI-M5 SVSI-M6 SVSI-M8 SVSH-M3-C276 SVSH-M4-C276 SVSH-M5-C276 SVSH-M6-C276 SVSH-M8-C276 SVSH-M3-C22 SVSH-M4-C22 SVSH-M5-C22 SVSH-M6-C22 SVSH-M8-C22 SSHH-M2.5-C22 SSHH-M2-C22 SSHH-M3-C22 SSHH-M4-C22 SSHH-M5-C22 SVSM-M3 SVSM-M4 SVSM-M5 SVSM-M6 SVSM-M8
Image Aluminum Hex Socket Head Cap Screws with Ventilation Hole Phosphor Bronze Pan Head Machine Screws for Precision Instruments (Miniature Screws) Slotted Cheese Head Machine Screws (Pure Tungsten)
Part Name Aluminum Hex Socket Head Cap Screws with Ventilation Hole Phosphor Bronze Pan Head Machine Screws for Precision Instruments (Miniature Screws) Slotted Cheese Head Machine Screws (Pure Tungsten)
Part Number SVSA SNZP SNCW
Feature Lightweight Non-magnetic
Pan Head Machine Screws
for Precision Instruments		 Chemical Resistance
Material A5056 C5191 (Phosphor Bronze) Tungsten
Surface Treatment - - -
Thread Size M3 ～ M8 M2 ～ M2.5 M3 ～ M6
Operating Temperature (℃) - - -
CAD CAD CAD CAD
Specifications Specifications Specifications Specifications
List SVSA-M3 SVSA-M4 SVSA-M5 SVSA-M6 SVSA-M8 SNZP-M2 SNZP-M2.5 SNCW-M3 SNCW-M4 SNCW-M5 SNCW-M6

Latest

No. 4: Electron beam and ion

No. 4: Electron beam and ion

Semiconductor manufacturing equipment includes equipment using electron beams and ions.
In Part 4, we introduce non-magnetic products that are ideal for use around such electron beams and ions!

No. 1: The Semiconductor Industry and NBK

No. 1: The Semiconductor Industry and NBK

Along with the dramatic worldwide growth of semiconductors, similar development has taken place for semiconductor manufacturing equipment.
For many years, NBK has developed and sold products for semiconductor manufacturing equipment.
In Part 1, we introduce trends in the semiconductor industry, and describe some interesting efforts by NBK!

No. ９: Increasing Throughput

No. ９: Increasing Throughput

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

What are Hex Socket Head Cap Screws (cap bolts)?

What are Hex Socket Head Cap Screws (cap bolts)?

Hex Socket Head Cap Screws (cap bolts) are bolts (screws) with hexagon-shaped holes in their heads. It lists product descriptions for hex socket head cap screws, recommended products, etc.

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

The Semiconductor Industry and NBKVideo 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

Other Special Screws

Vacuum Application Screws

Vacuum Application Screws

Screws compatible with clean environments

Screws compatible with clean environments

Low Profile Screws・Small Head Screws

Low Profile Screws・Small Head Screws

High Performance S.S. Screws

High Performance S.S. Screws

Titanium Screws

Titanium Screws

Tools

Tools

Screws with Special Surface Treatment

Screws with Special Surface Treatment

Miniature Screws

Miniature Screws

Captive Screws・Full Thread Screws

Captive Screws・Full Thread Screws

Functional Screws

Functional Screws

Inch Screws

Inch Screws

Tamper Resistant Screws

Tamper Resistant Screws

Hexalobular Socket Head Screws

Hexalobular Socket Head Screws

Plugs

Plugs

Washers・Insert

Washers・Insert

Plastic Screws

Plastic Screws

Vibration Resistance

Vibration Resistance

Screw Caps / Screw Covers

Screw Caps / Screw Covers

Chemical Resistance Screws

Chemical Resistance Screws

Socket Head Cap Screws

Socket Head Cap Screws

Screws for fixing thin plate

Screws for fixing thin plate

Vacuum

Vacuum

Low Outgas

Low Outgas

Clean

Clean

Chemical Resistance

Chemical Resistance

High Strength

High Strength

High Specific Strength

High Specific Strength

Heat Resistance

Heat Resistance

Anti-Galling (Anti-Seize)

Anti-Galling (Anti-Seize)

Screw Drive Damage Prevention

Screw Drive Damage Prevention

Reflection Resistance

Reflection Resistance

Electrical Insulation

Electrical Insulation

Non-Magnetic

Non-Magnetic

Lightweight

Lightweight

Space optimization

Space optimization

Simplified Work

Simplified Work

Loss Prevention

Loss Prevention

Vibration Resistance

Vibration Resistance

Decoration

Decoration

Fixing・Locating

Fixing・Locating

Conveyance

Conveyance

Screws with Captive Washers・Screws for Improved Fastening Operation

Screws with Captive Washers・Screws for Improved Fastening Operation