NBK logo

Chemical Resistance Screws

These screws are suitable for use in corrosive environments that use wafer cleaning solutions and process gases.
Special materials and coatings prevent chemical corrosion and dissolution.
Preventing corrosion reduces maintenance and equipment damage.
Chemical-Resistance_1en
＊1 ：INCONEL is a registered trademark of Special Metals Corporation.
＊2 ：MONEL is a registered trademark of Special Metals Corporation.
＊3 ：MAT21 is a registered trademark of Proterial, Ltd.
＊4 ：RENYTM is a trademark of GLOBAL POLYACETAL CO., LTD.

Image Hex Socket Head Cap Screws (Tantalum) Hex Socket Head Cap Screws (SUS316L / Cleanroom Washing/Cleanroom Packing) Hex Socket Head Cap Screws - High Intensity Stainless Steel Washer Integrated Hex Socket Head Cap Screws with Ventilation Hole - High Strength Stainless Steel Washer Integrated Hex Socket Head Cap Screws - High Strength Stainless Steel Hex Socket Head Cap Screws - Super Black Hex Socket Head Cap Screws - Low Temperature Black Chrome Hex Socket Head Cap Screws - PTFE Coating Hex Socket Head Cap Screws with Ventilation Hole - Titanium
Part Name Hex Socket Head Cap Screws (Tantalum) Hex Socket Head Cap Screws (SUS316L / Cleanroom Washing/Cleanroom Packing) Hex Socket Head Cap Screws - High Intensity Stainless Steel Washer Integrated Hex Socket Head Cap Screws with Ventilation Hole - High Strength Stainless Steel Washer Integrated Hex Socket Head Cap Screws - High Strength Stainless Steel Hex Socket Head Cap Screws - Super Black Hex Socket Head Cap Screws - Low Temperature Black Chrome Hex Socket Head Cap Screws - PTFE Coating Hex Socket Head Cap Screws with Ventilation Hole - Titanium
Part Number SNSTA SNSL-UCL SNSLG SVSQLG SNSQLG SNSS-BK SNSS-RY SNSS-TF SVST
Feature Chemical Resistance Cleanroom Washing/Cleanroom Packing Provided High Strength (Tensile Strength Ranking 10.8 Equivalent)
Heat Resistance
Corrosion Resistance
Nonmagnetic		 High Strength (Tensile Strength Ranking 10.8 Equivalent)
Integrated Washers
I=3		 High Strength (Tensile Strength Ranking 10.8 Equivalent)
Heat Resistance
Corrosion Resistance
Nonmagnetic
Integrated Washers
I=3		 Reflection Resistance
Corrosion Resistance		 Chemical Resistance
Reflection Resistance
Seizing Prevention		 Chemical Resistance
Seizing Prevention		 Lightweight
Nonmagnetic
Chemical Resistance
Material Tantalum SUS316L SUS316L SUS316L SUS316L SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) Grade 2 Titanium
Surface Treatment - - - - - Stainless Steel Black Low temperature black chrome treatment PTFE coating Special Chemical Polishing
Thread Size M3 ～ M6 M3 ～ M6 M3 ～ M6 M3 ～ M6 M3 ～ M6 M2 ～ M10 M3 ～ M10 M3 ～ M10 M3 ～ M5
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 SNSL-M3-UCL SNSL-M4-UCL SNSL-M5-UCL SNSL-M6-UCL SNSLG-M3 SNSLG-M4 SNSLG-M5 SNSLG-M6 SVSQLG-M3 SVSQLG-M4 SVSQLG-M5 SVSQLG-M6 SNSQLG-M3 SNSQLG-M4 SNSQLG-M5 SNSQLG-M6 SNSS-M10-BK SNSS-M2-BK SNSS-M3-BK SNSS-M4-BK SNSS-M5-BK SNSS-M6-BK SNSS-M8-BK SNSS-M10-RY SNSS-M3-RY SNSS-M4-RY SNSS-M5-RY SNSS-M6-RY SNSS-M8-RY SNSS-M10-TF SNSS-M3-TF SNSS-M4-TF SNSS-M5-TF SNSS-M6-TF SNSS-M8-TF SVST-M3 SVST-M4 SVST-M5
Image Titanium Hex Socket Head Cap Screws with Captive Washers Titanium Hex Socket Head Cap Screws with Captive Washers Titanium Hex Socket Head Cap Screws with Captive Washers Titanium Hex Socket Head Cap Screws with Captive Washers Hex Socket Head Cap Screws (Monel 400 equiv.) Plastic Screw - Socket Head Cap Screws - PPS Hex Socket Head Cap Screws - Titanium Socket Head Cap Screw -Inconel equiv. Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole
Part Name Titanium Hex Socket Head Cap Screws with Captive Washers Titanium Hex Socket Head Cap Screws with Captive Washers Titanium Hex Socket Head Cap Screws with Captive Washers Titanium Hex Socket Head Cap Screws with Captive Washers Hex Socket Head Cap Screws (Monel 400 equiv.) Plastic Screw - Socket Head Cap Screws - PPS Hex Socket Head Cap Screws - Titanium Socket Head Cap Screw -Inconel equiv. Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole
Part Number SNSI1T SNSI1T-UT SNSI3T SNSI3T-UT SNSMN SPS-C SNST SNSI SVSI
Feature Integrated Washers
I=1		 Integrated Washers
I=1		 Integrated Washers
I=3		 Integrated Washers
I=3		 Chemical-proof
Heat-resistance		 High Specific Strength
Heat Resistance
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance
Material Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Monel equiv. PPS Grade 2 Titanium Inconel equiv. Inconel equiv.
Surface Treatment Special Chemical Polishing - Special Chemical Polishing - - - Special Chemical Polishing - -
Thread Size M3 ～ M6 M3 ～ M6 M3 ～ M6 M3 ～ M6 M3 ～ M6 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 SNSI1T-M3 SNSI1T-M4 SNSI1T-M5 SNSI1T-M6 SNSI1T-M3-UT SNSI1T-M4-UT SNSI1T-M5-UT SNSI1T-M6-UT SNSI3T-M3 SNSI3T-M4 SNSI3T-M5 SNSI3T-M6 SNSI3T-M3-UT SNSI3T-M4-UT SNSI3T-M5-UT SNSI3T-M6-UT SNSMN-M3 SNSMN-M4 SNSMN-M5 SNSMN-M6 SPS-M3-C SPS-M4-C SPS-M5-C SPS-M6-C SPS-M8-C SNST-M3 SNST-M4 SNST-M5 SNST-M6 SNSI-M3 SNSI-M4 SNSI-M5 SNSI-M6 SNSI-M8 SVSI-M3 SVSI-M4 SVSI-M5 SVSI-M6 SVSI-M8
Image Socket Head Cap Screw -Hastelloy C-276　equiv. Hex Socket Head Cap Screws (Hastelloy C-276 equiv.) with Ventilation Hole Socket Head Cap Screws - Hastelloy C-22 equiv. Hex Socket Head Cap Screws (Hastelloy C-22 equiv.) with Ventilation Hole Hex Socket Head Cap Screws (MAT21) Hex Socket Head Cap Screws - Nickel Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SP-1） Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SCP-5000） Ceramic Hex Socket Head Cap Bolts
Part Name Socket Head Cap Screw -Hastelloy C-276　equiv. Hex Socket Head Cap Screws (Hastelloy C-276 equiv.) with Ventilation Hole Socket Head Cap Screws - Hastelloy C-22 equiv. Hex Socket Head Cap Screws (Hastelloy C-22 equiv.) with Ventilation Hole Hex Socket Head Cap Screws (MAT21) Hex Socket Head Cap Screws - Nickel Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SP-1） Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SCP-5000） Ceramic Hex Socket Head Cap Bolts
Part Number SNSH-C276 SVSH-C276 SNSH-C22 SVSH-C22 SNSMT SNSN SPD-C SPDC-C SCX-C
Feature Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance
Heat Resistance		 Heat Resistance
Chemical Resistance
Low Outgas		 Heat Resistance
Chemical Resistance
Low Outgas		 Chemical Resistance
Heat Resistance
Electrical Insulation
Material Hastelloy equiv. Hastelloy equiv. Hastelloy equiv. Hastelloy equiv. MAT21 Pure Nickel (Ni 99.0%) VESPEL® SP-1 VESPEL® SCP-5000 Al2O3 (Alumina 99.5%)
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 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 SNSH-M3-C276 SNSH-M4-C276 SNSH-M5-C276 SNSH-M6-C276 SNSH-M8-C276 SVSH-M3-C276 SVSH-M4-C276 SVSH-M5-C276 SVSH-M6-C276 SVSH-M8-C276 SNSH-M3-C22 SNSH-M4-C22 SNSH-M5-C22 SNSH-M6-C22 SNSH-M8-C22 SVSH-M3-C22 SVSH-M4-C22 SVSH-M5-C22 SVSH-M6-C22 SVSH-M8-C22 SNSMT-M3 SNSMT-M4 SNSMT-M5 SNSMT-M6 SNSMT-M8 SNSN-M3 SNSN-M4 SNSN-M5 SNSN-M6 SNSN-M8 SPD-M3-C SPD-M4-C SPD-M5-C SPD-M6-C SPD-M8-C SPDC-M3-C SPDC-M4-C SPDC-M5-C SPDC-M6-C SPDC-M8-C SCX-M10-C SCX-M3-C SCX-M4-C SCX-M5-C SCX-M6-C SCX-M8-C
Image Plastic Screws - Hex Socket Head Cap Screws - PEEK Plastic Screw - Hex Socket Head Cap Screw - Inch Thread - PEEK Plastic screw - Hex Socket Head Cap Screw - Conductive PEEK Plastic Screws - Hex Socket Head Cap Screws - PEEK GF30 Plastic Screw - Socket Head Cap Screws - Full Thread - PEEK Plastic screw - Hex Socket Low Head Bolt - PEEK Hex Socket Head Cap Screws with Special Low Profile (SUS316L / Cleanroom Washing/Cleanroom Packing) Socket Head Cap Screws - Special Low Profile - Grade 2 Titanium Hex Socket Head Cap Screw with Special Low Profile (Titanium, with Ventilation Hole)
Part Name Plastic Screws - Hex Socket Head Cap Screws - PEEK Plastic Screw - Hex Socket Head Cap Screw - Inch Thread - PEEK Plastic screw - Hex Socket Head Cap Screw - Conductive PEEK Plastic Screws - Hex Socket Head Cap Screws - PEEK GF30 Plastic Screw - Socket Head Cap Screws - Full Thread - PEEK Plastic screw - Hex Socket Low Head Bolt - PEEK Hex Socket Head Cap Screws with Special Low Profile (SUS316L / Cleanroom Washing/Cleanroom Packing) Socket Head Cap Screws - Special Low Profile - Grade 2 Titanium Hex Socket Head Cap Screw with Special Low Profile (Titanium, with Ventilation Hole)
Part Number SPE-C SPE-C(INCH) SPEC-C SPEG-C SPE-FT SPE-LC SSHL-UCL SSHT SVSHT
Feature Chemical Resistance
Heat Resistance		 Chemical Resistance Conductive PEEK Chemical Resistance
Heat Resistance
High Strength		 Chemical Resistance
Heat Resistance
Full Thread		 Heat Resistance
Chemical Resistance
Low Profile　Small Head		 Special Low Profile
Space-saving
Cleanroom Washing/Cleanroom Packing Provided		 Special Low Profile
Small Space
Lightweight
NonMagnetic
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance
Material PEEK PEEK PEEK PEEK GF30 PEEK PEEK SUS316L Grade 2 Titanium Grade 2 Titanium
Surface Treatment - - - - - - - Special Chemical Polishing Special Chemical Polishing
Thread Size M3 ～ M12 No.4-40UNC ～ 1/4-20UNC M4 ～ M6 M3 ～ M5 M3 ～ M6 M3 ～ M6 M3 ～ M5 M3 ～ M6 M3 ～ M6
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SPE-M10-C SPE-M12-C SPE-M3-C SPE-M4-C SPE-M5-C SPE-M6-C SPE-M8-C SPE-#10-24-C SPE-#10-32-C SPE-#4-40-C SPE-#6-32-C SPE-#8-32-C SPE-1/4-20-C SPEC-M4-C SPEC-M5-C SPEC-M6-C SPEG-M3-C SPEG-M4-C SPEG-M5-C SPE-M3-C-FT SPE-M4-C-FT SPE-M5-C-FT SPE-M6-C-FT SPE-M3-LC SPE-M4-LC SPE-M5-LC SPE-M6-LC SSHL-M3-UCL SSHL-M4-UCL SSHL-M5-UCL SSHT-M3 SSHT-M4 SSHT-M5 SSHT-M6 SVSHT-M3 SVSHT-M4 SVSHT-M5 SVSHT-M6
Image Hex Socket Head Cap Screws with Special Low Profile (Hastelloy C-22 equiv.) Plastic screw - Hex Socket Low Head Bolt - PPS Hex Head Screws - PFA Coating for Head Duplex Stainless Steel Hexagon Head Screw Ceramic Hex Head Bolts Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1） Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000） Plastic Screw - Hex Head Screws - PEEK Plastic Screw - Hex Head Screw - Inch Thread - PEEK
Part Name Hex Socket Head Cap Screws with Special Low Profile (Hastelloy C-22 equiv.) Plastic screw - Hex Socket Low Head Bolt - PPS Hex Head Screws - PFA Coating for Head Duplex Stainless Steel Hexagon Head Screw Ceramic Hex Head Bolts Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1） Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000） Plastic Screw - Hex Head Screws - PEEK Plastic Screw - Hex Head Screw - Inch Thread - PEEK
Part Number SSHH-C22 SPS-LC SNHS-HTF SNHDS SCX-H SPD-H SPDC-H SPE-H SPE-H(INCH)
Feature Chemical Resistance
Special Low Profile
Space-saving		 High Specific Strength
Heat Resistance
Chemical Resistance
Low Profile　Small Head		 Chemical Resistance High Strength
CorrosionResistance
Magnetic		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Heat Resistance
Chemical Resistance
Low Outgas		 Heat Resistance
Chemical Resistance
Low Outgas		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance
Material Hastelloy equiv. PPS SUSXM7 (Equivalent to SUS304) - Al2O3 (Alumina 99.5%) VESPEL® SP-1 VESPEL® SCP-5000 PEEK PEEK
Surface Treatment - - PFA Coating - - - - - -
Thread Size M2 ～ M5 M3 ～ M6 M3 ～ M8 M12 ～ M24 M3 ～ M10 M3 ～ M8 M3 ～ M8 M4 ～ M12 1/4-20UNC
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SSHH-M2.5-C22 SSHH-M2-C22 SSHH-M3-C22 SSHH-M4-C22 SSHH-M5-C22 SPS-M3-LC SPS-M4-LC SPS-M5-LC SPS-M6-LC SNHS-M3-HTF SNHS-M4-HTF SNHS-M5-HTF SNHS-M6-HTF SNHS-M8-HTF SNHDS-M12 SNHDS-M16 SNHDS-M20 SNHDS-M24 SCX-M10-H SCX-M3-H SCX-M4-H SCX-M5-H SCX-M6-H SCX-M8-H SPD-M3-H SPD-M4-H SPD-M5-H SPD-M6-H SPD-M8-H SPDC-M3-H SPDC-M4-H SPDC-M5-H SPDC-M6-H SPDC-M8-H SPE-M10-H SPE-M12-H SPE-M4-H SPE-M5-H SPE-M6-H SPE-M8-H SPE-1/4-20-H
Image Plastic Screw - Hex Head Screws - PTFE Plastic Screw - Hex Head Screws - PPS Cross Recessed Flat Head Machine Screws - Titanium Plastic Screw - Cross Recessed Flat Head Machine Screws - PEEK Plastic Screws - Cross Recessed Flat Head Machine Screws - PPS Plastic Screw - Slotted Flat Head Machine Screw - PEEK - Inch Thread Plastic Screw - Cross Recessed Flat Head Machine Screws for Precision Instruments - PEEK Cross Recessed Pan Head Machine Screws - Titanium Titanium Pan Head Machine Screws for Precision Instruments (Miniature Screws)
Part Name Plastic Screw - Hex Head Screws - PTFE Plastic Screw - Hex Head Screws - PPS Cross Recessed Flat Head Machine Screws - Titanium Plastic Screw - Cross Recessed Flat Head Machine Screws - PEEK Plastic Screws - Cross Recessed Flat Head Machine Screws - PPS Plastic Screw - Slotted Flat Head Machine Screw - PEEK - Inch Thread Plastic Screw - Cross Recessed Flat Head Machine Screws for Precision Instruments - PEEK Cross Recessed Pan Head Machine Screws - Titanium Titanium Pan Head Machine Screws for Precision Instruments (Miniature Screws)
Part Number SPT-H SPS-H SNFT SPE-F SPS-F SPE-FS(INCH) SPE-MF SNPT SNZT
Feature Chemical Resistance
Heat Resistance
Electrical Insulation		 High Specific Strength
Heat Resistance
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Chemical Resistance
Heat Resistance		 High Specific Strength
Heat Resistance
Chemical Resistance		 Chemical Resistance Chemical-proof
Heat-resistant
For precision equipment		 Lightweight
Nonmagnetic
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance
Material PTFE (Polytetrafluoroethylene) PPS Grade 2 Titanium PEEK PPS PEEK PEEK Grade 2 Titanium Grade 2 Titanium
Surface Treatment - - Special Chemical Polishing - - - - Special Chemical Polishing -
Thread Size M3 ～ M12 M4 ～ M12 M3 ～ M4 M2 ～ M8 M3 ～ M6 No.4-40UNC ～ No.10-32UNF M1.2 ～ M1.6 M2 ～ M5 M1.6 ～ M2.5
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SPT-M10-H SPT-M12-H SPT-M3-H SPT-M4-H SPT-M5-H SPT-M6-H SPT-M8-H SPS-M10-H SPS-M12-H SPS-M4-H SPS-M5-H SPS-M6-H SPS-M8-H SNFT-M3 SNFT-M4 SPE-M2.6-F SPE-M2-F SPE-M3-F SPE-M4-F SPE-M5-F SPE-M6-F SPE-M8-F SPS-M3-F SPS-M4-F SPS-M5-F SPS-M6-F SPE-#10-32-FS SPE-#4-40-FS SPE-#6-32-FS SPE-#8-32-FS SPE-M1.2-MF SPE-M1.4-MF SPE-M1.6-MF SNPT-M2 SNPT-M2.5 SNPT-M3 SNPT-M4 SNPT-M5 SNZT-M1.6 SNZT-M2 SNZT-M2.5
Image Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK - Inch Thread Plastic Screw - Slotted Pan Head Machine Screw - PEEK - Inch Thread Plastic screw - Cross Recessed Pan Head Machine Screws for Precision Instruments - PEEK Slotted Cheese Head Machine Screws (Pure Tungsten) Slotted Cheese Head Machine Screws (Silicon Carbide) Hex Nuts / Hex Flange Nuts - Titanium Duplex Stainless Steel Hexagon Nuts Inconel Hex Nut
Part Name Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK - Inch Thread Plastic Screw - Slotted Pan Head Machine Screw - PEEK - Inch Thread Plastic screw - Cross Recessed Pan Head Machine Screws for Precision Instruments - PEEK Slotted Cheese Head Machine Screws (Pure Tungsten) Slotted Cheese Head Machine Screws (Silicon Carbide) Hex Nuts / Hex Flange Nuts - Titanium Duplex Stainless Steel Hexagon Nuts Inconel Hex Nut
Part Number SPE-P SPE-P(INCH) SPE-PS(INCH) SPE-MC SNCW SICX-SX SHNT SHNDS SHNI
Feature Chemical Resistance
Heat Resistance		 Heat Resistance
Chemical Resistance		 Chemical Resistance Heat Resistance
Chemical Resistance
For Precision Instruments		 Chemical Resistance Chemical Resistance
Heat Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 High Strength
CorrosionResistance
Magnetic		 Chemical Resistance
Heat Resistance
Material PEEK PEEK PEEK PEEK Tungsten Silicon Carbide (SiC) Grade 2 Titanium - Inconel equiv.
Surface Treatment - - - - - - Special Chemical Polishing - -
Thread Size M1.7 ～ M8 No.2-56UNC ～ 1/4-20UNC No.4-40UNC ～ No.10-32UNF M1.2 ～ M1.6 M3 ～ M6 M3 ～ M5 M3 ～ M10 M12 ～ M24 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 SPE-M1.7-P SPE-M2.6-P SPE-M2-P SPE-M3-P SPE-M4-P SPE-M5-P SPE-M6-P SPE-M8-P SPE-#10-24-P SPE-#10-32-P SPE-#2-56-P SPE-#4-40-P SPE-#6-32-P SPE-#8-32-P SPE-1/4-20 SPE-#10-32-PS SPE-#4-40-PS SPE-#6-32-PS SPE-#8-32-PS SPE-M1.2-MC SPE-M1.4-MC SPE-M1.6-MC SNCW-M3 SNCW-M4 SNCW-M5 SNCW-M6 SICX-M3-SX SICX-M4-SX SICX-M5-SX SHNT-M10 SHNT-M3 SHNT-M4 SHNT-M5 SHNT-M6 SHNT-M8 SHNDS-M12 SHNDS-M16 SHNDS-M20 SHNDS-M24 SHNI-M3 SHNI-M4 SHNI-M5 SHNI-M6 SHNI-M8
Image Hex Nuts - Ceramic Plastic Screw - Hex Nuts / Washers - PEEK Plastic Screw - Hex Nut - Inch Thread - PEEK Plastic Screw - Hex Nuts / Washers - PTFE Plastic Screw - Hex Nuts / Washers - PPS Plastic Screw - Hex Nuts / Washers - PPS Plastic Screws - Domed Cap Nuts - POM Hex Nuts / Hex Flange Nuts - Titanium Hex Lock Nuts - Titanium
Part Name Hex Nuts - Ceramic Plastic Screw - Hex Nuts / Washers - PEEK Plastic Screw - Hex Nut - Inch Thread - PEEK Plastic Screw - Hex Nuts / Washers - PTFE Plastic Screw - Hex Nuts / Washers - PPS Plastic Screw - Hex Nuts / Washers - PPS Plastic Screws - Domed Cap Nuts - POM Hex Nuts / Hex Flange Nuts - Titanium Hex Lock Nuts - Titanium
Part Number SCX-N SPE-N SPE-N(INCH) SPT-N SPS-N SPS-W SPO-CN SHNT-F SWUT
Feature Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance		 Chemical Resistance Chemical Resistance
Heat Resistance
Electrical Insulation		 Heat Resistance
Chemical Resistance		 Heat Resistance
Chemical Resistance		 Chemical Resistance Lightweight
Nonmagnetic
Chemical Resistance
With Flange		 Lightweight
Nonmagnetic
Vibration Resistant
Material Al2O3 (Alumina 99.5%) PEEK PEEK PTFE (Polytetrafluoroethylene) PPS PPS Polyacetal Grade 2 Titanium Grade 2 Titanium
Surface Treatment - - - - - - - Special Chemical Polishing Special Chemical Polishing
Thread Size M3 ～ M10 M2 ～ M10 No.4-40UNC ～ No.8-32UNC M3 ～ M12 M2 ～ M12 M3 ～ M12 M3 ～ M8 M3 ～ M10 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 SCX-M10-N SCX-M3-N SCX-M4-N SCX-M5-N SCX-M6-N SCX-M8-N SPE-M10-N SPE-M2.6-N SPE-M2-N SPE-M3-N SPE-M4-N SPE-M5-N SPE-M6-N SPE-M8-N SPE-#4-40-N SPE-#6-32-N SPE-#8-32-N SPT-M10-N SPT-M12-N SPT-M3-N SPT-M4-N SPT-M5-N SPT-M6-N SPT-M8-N SPS-M10-N SPS-M12-N SPS-M2.6-N SPS-M2-N SPS-M3-N SPS-M4-N SPS-M5-N SPS-M6-N SPS-M8-N SPS-10-W SPS-12-W SPS-3-W SPS-4-W SPS-5-W SPS-6-W SPS-8-W SPO-M3-CN SPO-M4-CN SPO-M5-CN SPO-M6-CN SPO-M8-CN SHNT-M10-F SHNT-M3-F SHNT-M4-F SHNT-M5-F SHNT-M6-F SHNT-M8-F SWUT-M10 SWUT-M3 SWUT-M4 SWUT-M5 SWUT-M6 SWUT-M8
Image Plastic Screws - Wing Bolts - POM Plastic Screws - Wing Nuts - POM Seal Washers - PFA Coating Washers - Titanium Adjust Metal Washer - Stainless Steel Black Plain Washers for High Strength Stainless Steel Bolts Inconel Washer Plastic Screw - Hex Nuts / Washers - PEEK Plastic Screw - Hex Nuts / Washers - PTFE
Part Name Plastic Screws - Wing Bolts - POM Plastic Screws - Wing Nuts - POM Seal Washers - PFA Coating Washers - Titanium Adjust Metal Washer - Stainless Steel Black Plain Washers for High Strength Stainless Steel Bolts Inconel Washer Plastic Screw - Hex Nuts / Washers - PEEK Plastic Screw - Hex Nuts / Washers - PTFE
Part Number SPO-YB SPO-YN SWS-HTF SWAT-F SWAS-AWBK SWALG-F SWAI-F SPE-W SPT-W
Feature Chemical Resistance Chemical Resistance Chemical Resistance Lightweight
Nonmagnetic
Chemical Resistance		 Wide Variety
Reflection Resistance Corrosion Resistance		 Heat Resistance
Chemical Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance
Electrical Insulation
Material Polyacetal Polyacetal SUS304 Grade 2 Titanium SUS304 SUS316L Inconel equiv. PEEK PTFE (Polytetrafluoroethylene)
Surface Treatment - - PFA Coating - Stainless Steel Black - - - -
Thread Size M5 ～ M8 M4 ～ M8 M3 ～ M8 M3 ～ M10 M3 ～ M16 M3 ～ M6 M3 ～ M8 M2 ～ M10 M3 ～ M12
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SPO-M5-YB SPO-M6-YB SPO-M8-YB SPO-M4-YN SPO-M5-YN SPO-M6-YN SPO-M8-YN SWS-3-HTF SWS-4-HTF SWS-5-HTF SWS-6-HTF SWS-8-HTF SWAT-10-F SWAT-3-F SWAT-4-F SWAT-5-F SWAT-6-F SWAT-8-F SWAS-10-12-AWBK SWAS-10-16-AWBK SWAS-10-20-AWBK SWAS-10-25-AWBK SWAS-12-16-AWBK SWAS-12-20-AWBK SWAS-12-25-AWBK SWAS-16-25-AWBK SWAS-3-8-AWBK SWAS-4-10-AWBK SWAS-4-12-AWBK SWAS-4-8-AWBK SWAS-5-10-AWBK SWAS-5-12-AWBK SWAS-5-16-AWBK SWAS-5-20-AWBK SWAS-5-8-AWBK SWAS-6-10-AWBK SWAS-6-12-AWBK SWAS-6-16-AWBK SWAS-6-20-AWBK SWAS-6-25-AWBK SWAS-8-12-AWBK SWAS-8-16-AWBK SWAS-8-20-AWBK SWAS-8-25-AWBK SWALG-3-F SWALG-4-F SWALG-5-F SWALG-6-F SWAI-3-F SWAI-4-F SWAI-5-F SWAI-6-F SWAI-8-F SPE-10-W SPE-2.6-W SPE-2-W SPE-3-W SPE-4-W SPE-5-W SPE-6-W SPE-8-W SPT-10-W SPT-12-W SPT-3-W SPT-4-W SPT-5-W SPT-6-W SPT-8-W
Image Washers - Titanium Plastic Screws - Hex Posts - PEEK Plastic Screw - Hex Socket Set Screws - PEEK Plastic Screw - Socket Head Cap Screw Plugs - PEEK Cover Caps Cover Caps - PTFE Socket Head Cap Screws for Cover Caps
Part Name Washers - Titanium Plastic Screws - Hex Posts - PEEK Plastic Screw - Hex Socket Set Screws - PEEK Plastic Screw - Socket Head Cap Screw Plugs - PEEK Cover Caps Cover Caps - PTFE Socket Head Cap Screws for Cover Caps
Part Number SWAT-S SPE-HB SPE-T SPE-R SCAP-CE SCAP-PT SNCPS
Feature Lightweight
Nonmagnetic
Chemical Resistance		 PEEK
Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Heat Resistance
Chemical Resistance

Electrical Insulation		 Chemical Resistance For Cover Caps
Material Grade 2 Titanium PEEK PEEK PEEK Al2O3 (Alumina 99.5%) PTFE (Polytetrafluoroethylene) SUSXM7 (Equivalent to SUS304)
Surface Treatment - - - - - - -
Thread Size M3 ～ M10 M3 ～ M8 M3 ～ M8 R1/8" ～ R3/8" M5 ～ M16 M5 ～ M16 M3 ～ M10
Operating Temperature (℃) - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SWAT-10-S SWAT-3-S SWAT-4-S SWAT-5-S SWAT-6-S SWAT-8-S SPE-M3-HB SPE-M4-HB SPE-M5-HB SPE-M6-HB SPE-M8-HB SPE-M3-T SPE-M4-T SPE-M5-T SPE-M6-T SPE-M8-T SPE-1-R SPE-2-R SPE-3-R SCAP-10-CE SCAP-3-CE SCAP-4-CE SCAP-5-CE SCAP-6-CE SCAP-8-CE SCAP-10-PT SCAP-3-PT SCAP-4-PT SCAP-5-PT SCAP-6-PT SCAP-8-PT SNCPS-M10 SNCPS-M3 SNCPS-M4 SNCPS-M5 SNCPS-M6 SNCPS-M8

Latest

Galling and Seizing

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.

What are Hex Nuts?

What are Hex Nuts?

Here we offer a clear introduction to hex nuts.

What makes our custom screws special

What makes our custom screws special

The machine parts manufacturer Nabeya Bi-tech Kaisha (NBK) at e-nedzi.com manufactures special screws to the customer's specifications, such as tip machining and surface treatment. Special material screws, resin screws and loosening prevention are also available.

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Vol. 13 Explaining the Rust Source "Galvanic Corrosion"

Have you ever been surprised by rust suddenly appearing on rust-resistant aluminum?
If this happens, the reduced strength resulting from the corrosion brings fears of possible damage.
This phenomenon is known as "galvanic corrosion". Today, I will explain this principle and how it can be handled.


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

Click here to see Special Screws

Vented Screws, Vacuum Screws

Vented Screws, Vacuum 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 Stainless Steel Screws

High Performance Stainless Steel Screws

Titanium Screws

Titanium Screws

Special Material Screws

Special Material Screws

Tools

Tools

Screws with Special Surface Treatment

Screws with Special Surface Treatment

Micro Screws

Micro Screws

Captive Screws, Full Thread Screws

Captive Screws, Full Thread Screws

Functional Screws

Functional Screws

UNC Screws, UNF Screws

UNC Screws, UNF Screws

Security screws, Tamper Resistant Screws

Security screws, Tamper Resistant Screws

Hexalobular Screws

Hexalobular Screws

Plugs

Plugs

Washers, Insert

Washers, Insert

Plastic Screws

Plastic Screws

Vibration Resistance

Vibration Resistance

Screw Caps / Screw Covers

Screw Caps / Screw Covers

Socket Head Cap Screws

Socket Head Cap Screws

Hex Head Screws

Hex Head Screws

Sheet Metal Fasteners

Sheet Metal Fasteners

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

Compact

Compact

Increased Productivity

Increased Productivity

Loss Prevention

Loss Prevention

Vibration Resistance

Vibration Resistance

Decoration

Decoration

Fixing・Locating

Fixing・Locating

Conveyance

Conveyance

SEMS Screws, Improved Fastening Efficiency Screws

SEMS Screws, Improved Fastening Efficiency Screws