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Chemical Resistance

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 ：Hastelloy is a registered trademark of Haynes International, Inc.
＊4 ：MAT21 is a registered trademark of Proterial, Ltd.
＊5 ：RENYTM is a trademark of GLOBAL POLYACETAL CO., LTD.
＊6 ：VESPEL is a registered trademark of DuPont.

Image Hex Socket Head Cap Screws (Tantalum) Hex Socket Head Cap Screws (MAT21) Hex Socket Head Cap Screws with Ventilation Hole - High Intensity Stainless Steel Socket Head Cap Screw - Low Profile - SUS316L Hex Socket Head Cap Screws - High Intensity S.S. Hex Socket Head Cap Screws - High Intensity S.S. 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
Part Name Hex Socket Head Cap Screws (Tantalum) Hex Socket Head Cap Screws (MAT21) Hex Socket Head Cap Screws with Ventilation Hole - High Intensity Stainless Steel Socket Head Cap Screw - Low Profile - SUS316L Hex Socket Head Cap Screws - High Intensity S.S. Hex Socket Head Cap Screws - High Intensity S.S. 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
Part Number SNSTA SNSMT SVSLG SLHL SNSX-88 SNSX-109 SNSLG SVSQLG SNSQLG
Feature Chemical Resistance Chemical Resistance High Strength(Equivalent to Strength Class 10.8) Low Profile
Small Space		 High Strength
HeatResistance
Corrosion Resistance
Nonmagnetic		 High Strength
HeatResistance
Corrosion Resistance
Nonmagnetic		 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
Material Tantalum MAT21 SUS316L SUS316L SUS316L HiMo SUS316L HiMo SUS316L SUS316L SUS316L
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M6 M3 ～ M8 M3 ～ M6 M3 ～ M6 M3 ～ M8 M6 ～ M12 M3 ～ M6 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 SNSTA-M3 SNSTA-M4 SNSTA-M5 SNSTA-M6 SNSMT-M3 SNSMT-M4 SNSMT-M5 SNSMT-M6 SNSMT-M8 SVSLG-M3 SVSLG-M4 SVSLG-M5 SVSLG-M6 SLHL-M3 SLHL-M4 SLHL-M5 SLHL-M6 SNSX-M3-88 SNSX-M4-88 SNSX-M5-88 SNSX-M6-88 SNSX-M8-88 SNSX-M10-109 SNSX-M12-109 SNSX-M6-109 SNSX-M8-109 SNSLG-M3 SNSLG-M4 SNSLG-M5 SNSLG-M6 SVSQLG-M3 SVSQLG-M4 SVSQLG-M5 SVSQLG-M6 SNSQLG-M3 SNSQLG-M4 SNSQLG-M5 SNSQLG-M6
Image Hex Socket Head Cap Screws (SUS316L) Hex Socket Head Cap Screws (SUS316L / Cleanroom Washing/Cleanroom Packing) Socket Head Cap Captive Screws - SUS316L Socket Head Cap Captive Screws - High Intensity Stainless Steel Socket Head Cap Captive Screws with Low Profile - SUS316L Hexagon Head Captive Screws - SUS316L Phillips Pan Head Captive Screws - SUS316L Phillips Truss Head Captive Screws - SUS316L Socket Head Cap Screws - SUS310S
Part Name Hex Socket Head Cap Screws (SUS316L) Hex Socket Head Cap Screws (SUS316L / Cleanroom Washing/Cleanroom Packing) Socket Head Cap Captive Screws - SUS316L Socket Head Cap Captive Screws - High Intensity Stainless Steel Socket Head Cap Captive Screws with Low Profile - SUS316L Hexagon Head Captive Screws - SUS316L Phillips Pan Head Captive Screws - SUS316L Phillips Truss Head Captive Screws - SUS316L Socket Head Cap Screws - SUS310S
Part Number SNSL SNSL-UCL SSC-SNSL SSC-SNSLG SSC-SLHL SSC-SNHL SSCPL SSCML SNSJ
Feature Heat Resistance
Corrosion Resistance
Nonmagnetic		 Cleanroom Washing/Cleanroom Packing Provided Non-magnetic
Chemical Resistance
Heat Resistance
Captive/Loss Prevention		 High Strength (Strength Class 10.8 Equivalent)
Heat Resistance
Corrosion Resistance
Non-magnetic
Captive/Loss Prevention		 Low Profile
Small Space
Captive/Loss Prevention		 Hex Head Captive Screws
Captive/Loss Prevention		 Pan Head Machine Screws
Captive/Loss Prevention		 Truss Machine Screws
Captive/Loss Prevention		 Heat Resistance
Chemical Resistance
Material SUS316L SUS316L SUS316L SUS316L SUS316L SUS316L SUS316L SUS316L SUS310S
Surface Treatment - - - - - - - - -
Thread Size M2 ～ M8 M3 ～ M6 M3 ～ M8 M3 ～ M6 M3 ～ M6 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 SNSL-M2 SNSL-M2.5 SNSL-M3 SNSL-M4 SNSL-M5 SNSL-M6 SNSL-M8 SNSL-M3-UCL SNSL-M4-UCL SNSL-M5-UCL SNSL-M6-UCL SSC-SNSL-M3 SSC-SNSL-M4 SSC-SNSL-M5 SSC-SNSL-M6 SSC-SNSL-M8 SSC-SNSLG-M3 SSC-SNSLG-M4 SSC-SNSLG-M5 SSC-SNSLG-M6 SSC-SLHL-M3 SSC-SLHL-M4 SSC-SLHL-M5 SSC-SLHL-M6 SSC-SNHL-M3 SSC-SNHL-M4 SSC-SNHL-M5 SSC-SNHL-M6 SSC-SNHL-M8 SSCPL-M3 SSCPL-M4 SSCPL-M5 SSCPL-M6 SSCPL-M8 SSCML-M3 SSCML-M4 SSCML-M5 SSCML-M6 SSCML-M8 SNSJ-M10 SNSJ-M3 SNSJ-M4 SNSJ-M5 SNSJ-M6 SNSJ-M8
Image Hex Socket Head Cap Screws - Super Black Hex Socket Head Cap Screws - Low Temperature Black Chrome Hex Socket Head Cap Screws - PTFE Coating Socket Head Cap Captive Screws - Low Temperature Black Chrome Treatment Socket Head Cap Captive Screws - PTFE Coating Hex Nut - SUS310S Washer - SUS310S Plain Washers for High Strength Stainless Steel Bolts Adjust Metal Washer - Stainless Steel Black
Part Name Hex Socket Head Cap Screws - Super Black Hex Socket Head Cap Screws - Low Temperature Black Chrome Hex Socket Head Cap Screws - PTFE Coating Socket Head Cap Captive Screws - Low Temperature Black Chrome Treatment Socket Head Cap Captive Screws - PTFE Coating Hex Nut - SUS310S Washer - SUS310S Plain Washers for High Strength Stainless Steel Bolts Adjust Metal Washer - Stainless Steel Black
Part Number SNSS-BK SNSS-RY SNSS-TF SSC-RY SSC-TF SHNJ SWAJ-F SWALG-F SWAS-AWBK
Feature Reflection Resistance
Corrosion Resistance		 Chemical Resistance
Reflection Resistance
Seizing Prevention		 Chemical Resistance
Seizing Prevention		 Chemical Resistance
Anti-reflection
Seizing
Prevention
Captive/Loss Prevention		 Chemical Resistance
Seizing
Prevention
Captive/Loss Prevention		 Heat Resistance
Chemical Resistance		 Heat Resistance
Chemical Resistance		 Heat Resistance
Chemical Resistance		 Wide Variety
Reflection Resistance Corrosion Resistance
Material SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304) SUS310S SUS310S SUS316L SUS304
Surface Treatment Stainless Steel Black Low temperature black chrome treatment PTFE coating Low temperature black chrome treatment PTFE coating - - - Stainless Steel Black
Thread Size M2 ～ M10 M3 ～ M10 M3 ～ M10 M3 ～ M8 M3 ～ M8 M3 ～ M10 M3 ～ M10 M3 ～ M6 M3 ～ M16
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List 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 SSC-M3-RY SSC-M4-RY SSC-M5-RY SSC-M6-RY SSC-M8-RY SSC-M3-TF SSC-M4-TF SSC-M5-TF SSC-M6-TF SSC-M8-TF SHNJ-M10 SHNJ-M3 SHNJ-M4 SHNJ-M5 SHNJ-M6 SHNJ-M8 SWAJ-10-F SWAJ-3-F SWAJ-4-F SWAJ-5-F SWAJ-6-F SWAJ-8-F SWALG-3-F SWALG-4-F SWALG-5-F SWALG-6-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
Image Seal Washers - PFA Coating Hex Socket Head Cap Screws - High Intensity Titanium Alloy Hex Socket Head Cap Screws - Titanium Hex Socket Head Cap Screws with Ventilation Hole - Titanium 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 Socket Head Cap Screw with Special Low Profile - Stainless Steel
Part Name Seal Washers - PFA Coating Hex Socket Head Cap Screws - High Intensity Titanium Alloy Hex Socket Head Cap Screws - Titanium Hex Socket Head Cap Screws with Ventilation Hole - Titanium 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 Socket Head Cap Screw with Special Low Profile - Stainless Steel
Part Number SWS-HTF SNSTG SNST SVST SNSI1T SNSI1T-UT SNSI3T SNSI3T-UT SSHL
Feature Chemical Resistance High Strength
Lightweight
Nonmagnetic
Corrosion Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Integrated Washers
I=1		 Integrated Washers
I=1		 Integrated Washers
I=3		 Integrated Washers
I=3		 Special Low Profile
Small Space
Material SUS304 Grade 5 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium SUS316L
Surface Treatment PFA Coating Special Chemical Polishing Special Chemical Polishing Special Chemical Polishing Special Chemical Polishing - Special Chemical Polishing - -
Thread Size M3 ～ M8 M2 ～ M10 M3 ～ M6 M3 ～ M5 M3 ～ M6 M3 ～ M6 M3 ～ M6 M3 ～ M6 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 SWS-3-HTF SWS-4-HTF SWS-5-HTF SWS-6-HTF SWS-8-HTF SNSTG-M10 SNSTG-M2 SNSTG-M2.5 SNSTG-M3 SNSTG-M4 SNSTG-M5 SNSTG-M6 SNSTG-M8 SNST-M3 SNST-M4 SNST-M5 SNST-M6 SVST-M3 SVST-M4 SVST-M5 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 SSHL-M3 SSHL-M4 SSHL-M5
Image Hex Socket Head Cap Screws with Special Low Profile (SUS316L / Cleanroom Washing/Cleanroom Packing) Hex Socket Head Cap Screw with Special Low Profile (SUS316L, with Ventilation Hole) Hex Socket Head Cap Screw with Special Low Profile (Titanium, with Ventilation Hole) Socket Head Cap Screws - Special Low Profile - Grade 2 Titanium Socket Head Cap Captive Screws - High Intensity Titanium Socket Head Cap Captive Screws - Titanium Cross Recessed Pan Head Machine Screws - High Intensity Titanium Alloy Cross Recessed Pan Head Machine Screws - Titanium Titanium Pan Head Machine Screws for Precision Instruments (Miniature Screws)
Part Name Hex Socket Head Cap Screws with Special Low Profile (SUS316L / Cleanroom Washing/Cleanroom Packing) Hex Socket Head Cap Screw with Special Low Profile (SUS316L, with Ventilation Hole) Hex Socket Head Cap Screw with Special Low Profile (Titanium, with Ventilation Hole) Socket Head Cap Screws - Special Low Profile - Grade 2 Titanium Socket Head Cap Captive Screws - High Intensity Titanium Socket Head Cap Captive Screws - Titanium Cross Recessed Pan Head Machine Screws - High Intensity Titanium Alloy Cross Recessed Pan Head Machine Screws - Titanium Titanium Pan Head Machine Screws for Precision Instruments (Miniature Screws)
Part Number SSHL-UCL SVSHL SVSHT SSHT SSC-SNSTG SSC-SNST SNPTG SNPT SNZT
Feature Special Low Profile
Space-saving
Cleanroom Washing/Cleanroom Packing Provided		 Special Low Profile
Small Space		 Lightweight
Nonmagnetic
Chemical Resistance		 Special Low Profile
Small Space
Lightweight
NonMagnetic
Chemical Resistance		 High Strength
Lightweight
Non-magnetic
Corrosion Resistance
Captive/Loss Prevention		 Lightweight
Non-magnetic
Chemical Resistance
Captive/Loss Prevention		 High Strength
Lightweight
Nonmagnetic
Corrosion Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance
Material SUS316L SUS316L Grade 2 Titanium Grade 2 Titanium Grade 5 Titanium Grade 2 Titanium β Titanium Grade 2 Titanium Grade 2 Titanium
Surface Treatment - - Special Chemical Polishing Special Chemical Polishing - Special Chemical Polishing Special Chemical Polishing Special Chemical Polishing -
Thread Size M3 ～ M5 M3 ～ M5 M3 ～ M6 M3 ～ M6 M3 ～ M8 M3 ～ M6 M3 ～ M5 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 SSHL-M3-UCL SSHL-M4-UCL SSHL-M5-UCL SVSHL-M3 SVSHL-M4 SVSHL-M5 SVSHT-M3 SVSHT-M4 SVSHT-M5 SVSHT-M6 SSHT-M3 SSHT-M4 SSHT-M5 SSHT-M6 SSC-SNSTG-M3 SSC-SNSTG-M4 SSC-SNSTG-M5 SSC-SNSTG-M6 SSC-SNSTG-M8 SSC-SNST-M3 SSC-SNST-M4 SSC-SNST-M5 SSC-SNST-M6 SNPTG-M3 SNPTG-M4 SNPTG-M5 SNPT-M2 SNPT-M2.5 SNPT-M3 SNPT-M4 SNPT-M5 SNZT-M1.6 SNZT-M2 SNZT-M2.5
Image Cross Recessed Flat Head Machine Screws - High Intensity Titanium Alloy Cross Recessed Flat Head Machine Screws - Titanium Hex Nuts / Hex Flange Nuts - Titanium Hex Nuts / Hex Flange Nuts - Titanium Hex Lock Nuts - Titanium Washers - Titanium Washers - Titanium Socket Head Cap Screw -Inconel equiv. Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole
Part Name Cross Recessed Flat Head Machine Screws - High Intensity Titanium Alloy Cross Recessed Flat Head Machine Screws - Titanium Hex Nuts / Hex Flange Nuts - Titanium Hex Nuts / Hex Flange Nuts - Titanium Hex Lock Nuts - Titanium Washers - Titanium Washers - Titanium Socket Head Cap Screw -Inconel equiv. Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole
Part Number SNFTG SNFT SHNT SHNT-F SWUT SWAT-F SWAT-S SNSI SVSI
Feature High Strength
Lightweight
Nonmagnetic
Corrosion Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance
With Flange		 Lightweight
Nonmagnetic
Vibration Resistant		 Lightweight
Nonmagnetic
Chemical Resistance		 Lightweight
Nonmagnetic
Chemical Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance
Material β Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Grade 2 Titanium Inconel equiv. Inconel equiv.
Surface Treatment Special Chemical Polishing Special Chemical Polishing Special Chemical Polishing Special Chemical Polishing Special Chemical Polishing - - - -
Thread Size M3 ～ M5 M3 ～ M4 M3 ～ M10 M3 ～ M10 M3 ～ M10 M3 ～ M10 M3 ～ M10 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 SNFTG-M3 SNFTG-M4 SNFTG-M5 SNFT-M3 SNFT-M4 SHNT-M10 SHNT-M3 SHNT-M4 SHNT-M5 SHNT-M6 SHNT-M8 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 SWAT-10-F SWAT-3-F SWAT-4-F SWAT-5-F SWAT-6-F SWAT-8-F SWAT-10-S SWAT-3-S SWAT-4-S SWAT-5-S SWAT-6-S SWAT-8-S SNSI-M3 SNSI-M4 SNSI-M5 SNSI-M6 SNSI-M8 SVSI-M3 SVSI-M4 SVSI-M5 SVSI-M6 SVSI-M8
Image Inconel Hex Nut Inconel Washer 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 with Special Low Profile (Hastelloy C-22 equiv.) Hex Socket Head Cap Screws - Nickel Hex Socket Head Cap Screws (Monel 400 equiv.)
Part Name Inconel Hex Nut Inconel Washer 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 with Special Low Profile (Hastelloy C-22 equiv.) Hex Socket Head Cap Screws - Nickel Hex Socket Head Cap Screws (Monel 400 equiv.)
Part Number SHNI SWAI-F SNSH-C276 SVSH-C276 SNSH-C22 SVSH-C22 SSHH-C22 SNSN SNSMN
Feature Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance
Special Low Profile
Space-saving		 Chemical Resistance
Heat Resistance		 Chemical-proof
Heat-resistance
Material Inconel equiv. Inconel equiv. Hastelloy equiv. Hastelloy equiv. Hastelloy equiv. Hastelloy equiv. Hastelloy equiv. Pure Nickel (Ni 99.0%) Monel equiv.
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M3 ～ M8 M2 ～ M5 M3 ～ M8 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 SHNI-M3 SHNI-M4 SHNI-M5 SHNI-M6 SHNI-M8 SWAI-3-F SWAI-4-F SWAI-5-F SWAI-6-F SWAI-8-F 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 SSHH-M2.5-C22 SSHH-M2-C22 SSHH-M3-C22 SSHH-M4-C22 SSHH-M5-C22 SNSN-M3 SNSN-M4 SNSN-M5 SNSN-M6 SNSN-M8 SNSMN-M3 SNSMN-M4 SNSMN-M5 SNSMN-M6
Image Duplex Stainless Steel Hexagon Head Screw Duplex Stainless Steel Hexagon Nuts Slotted Cheese Head Machine Screws (Pure Tungsten) Slotted Cheese Head Machine Screws (Silicon Carbide) Ceramic Hex Socket Head Cap Bolts Ceramic Hex Head Bolts Hex Nuts - Ceramic Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SP-1） Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1）
Part Name Duplex Stainless Steel Hexagon Head Screw Duplex Stainless Steel Hexagon Nuts Slotted Cheese Head Machine Screws (Pure Tungsten) Slotted Cheese Head Machine Screws (Silicon Carbide) Ceramic Hex Socket Head Cap Bolts Ceramic Hex Head Bolts Hex Nuts - Ceramic Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SP-1） Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1）
Part Number SNHDS SHNDS SNCW SICX-SX SCX-C SCX-H SCX-N SPD-C SPD-H
Feature High Strength
CorrosionResistance
Magnetic		 High Strength
CorrosionResistance
Magnetic		 Chemical Resistance Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Heat Resistance
Chemical Resistance
Low Outgas		 Heat Resistance
Chemical Resistance
Low Outgas
Material - - Tungsten Silicon Carbide (SiC) Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%) Al2O3 (Alumina 99.5%) VESPEL® SP-1 VESPEL® SP-1
Surface Treatment - - - - - - - - -
Thread Size M12 ～ M24 M12 ～ M24 M3 ～ M6 M3 ～ M5 M3 ～ M10 M3 ～ M10 M3 ～ M10 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 SNHDS-M12 SNHDS-M16 SNHDS-M20 SNHDS-M24 SHNDS-M12 SHNDS-M16 SHNDS-M20 SHNDS-M24 SNCW-M3 SNCW-M4 SNCW-M5 SNCW-M6 SICX-M3-SX SICX-M4-SX SICX-M5-SX 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 SCX-M10-N SCX-M3-N SCX-M4-N SCX-M5-N SCX-M6-N SCX-M8-N SPD-M3-C SPD-M4-C SPD-M5-C SPD-M6-C SPD-M8-C SPD-M3-H SPD-M4-H SPD-M5-H SPD-M6-H SPD-M8-H
Image Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SCP-5000） Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000） Plastic Screws - Hex Socket Head Cap Screws - PEEK GF30 Plastic screw - Hex Socket Head Cap Screw - Conductive PEEK Plastic screw - Hex Socket Low Head Bolt - PEEK Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK Plastic screw - Cross Recessed Pan Head Machine Screws for Precision Instruments - PEEK Plastic Screw - Cross Recessed Flat Head Machine Screws - PEEK Plastic Screw - Cross Recessed Flat Head Machine Screws for Precision Instruments - PEEK
Part Name Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SCP-5000） Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000） Plastic Screws - Hex Socket Head Cap Screws - PEEK GF30 Plastic screw - Hex Socket Head Cap Screw - Conductive PEEK Plastic screw - Hex Socket Low Head Bolt - PEEK Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK Plastic screw - Cross Recessed Pan Head Machine Screws for Precision Instruments - PEEK Plastic Screw - Cross Recessed Flat Head Machine Screws - PEEK Plastic Screw - Cross Recessed Flat Head Machine Screws for Precision Instruments - PEEK
Part Number SPDC-C SPDC-H SPEG-C SPEC-C SPE-LC SPE-P SPE-MC SPE-F SPE-MF
Feature Heat Resistance
Chemical Resistance
Low Outgas		 Heat Resistance
Chemical Resistance
Low Outgas		 Chemical Resistance
Heat Resistance
High Strength		 Conductive PEEK Heat Resistance
Chemical Resistance
Low Profile　Small Head		 Chemical Resistance
Heat Resistance		 Heat Resistance
Chemical Resistance
For Precision Instruments		 Chemical Resistance
Heat Resistance		 Chemical-proof
Heat-resistant
For precision equipment
Material VESPEL® SCP-5000 VESPEL® SCP-5000 PEEK GF30 PEEK PEEK PEEK PEEK PEEK PEEK
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M8 M3 ～ M8 M3 ～ M5 M4 ～ M6 M3 ～ M6 M1.7 ～ M8 M1.2 ～ M1.6 M2 ～ M8 M1.2 ～ M1.6
Operating Temperature (℃) - - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SPDC-M3-C SPDC-M4-C SPDC-M5-C SPDC-M6-C SPDC-M8-C SPDC-M3-H SPDC-M4-H SPDC-M5-H SPDC-M6-H SPDC-M8-H SPEG-M3-C SPEG-M4-C SPEG-M5-C SPEC-M4-C SPEC-M5-C SPEC-M6-C SPE-M3-LC SPE-M4-LC SPE-M5-LC SPE-M6-LC 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-M1.2-MC SPE-M1.4-MC SPE-M1.6-MC SPE-M2.6-F SPE-M2-F SPE-M3-F SPE-M4-F SPE-M5-F SPE-M6-F SPE-M8-F SPE-M1.2-MF SPE-M1.4-MF SPE-M1.6-MF
Image Plastic Screw - Hex Head Screws - PEEK Plastic Screw - Hex Socket Set Screws - PEEK Plastic Screws - Hex Socket Head Cap Screws - PEEK Plastic Screw - Socket Head Cap Screws - Full Thread - PEEK Plastic Screws - Hexalobular Socket Head Cap Screw with Low Head - PEEK Plastic Screws - Hexalobular Socket Head Cap Screw with Ultra Low Head - PEEK Plastic Screws - Hex Posts - PEEK Plastic Screw - Hex Nuts / Washers - PEEK Plastic Screw - Hex Nuts / Washers - PEEK
Part Name Plastic Screw - Hex Head Screws - PEEK Plastic Screw - Hex Socket Set Screws - PEEK Plastic Screws - Hex Socket Head Cap Screws - PEEK Plastic Screw - Socket Head Cap Screws - Full Thread - PEEK Plastic Screws - Hexalobular Socket Head Cap Screw with Low Head - PEEK Plastic Screws - Hexalobular Socket Head Cap Screw with Ultra Low Head - PEEK Plastic Screws - Hex Posts - PEEK Plastic Screw - Hex Nuts / Washers - PEEK Plastic Screw - Hex Nuts / Washers - PEEK
Part Number SPE-H SPE-T SPE-C SPE-FT SPE-LH SPE-SH SPE-HB SPE-N SPE-W
Feature Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance
Full Thread		 Heat Resistance
Chemical Resistance
Low Profile
Space Saving		 Heat Resistance
Chemical Resistance
Low Profile
Space Saving		 PEEK
Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance
Material PEEK PEEK PEEK PEEK PEEK PEEK PEEK PEEK PEEK
Surface Treatment - - - - - - - - -
Thread Size M4 ～ M12 M3 ～ M8 M3 ～ M12 M3 ～ M6 M3 ～ M6 M3 ～ M6 M3 ～ M8 M2 ～ M10 M2 ～ M10
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-H SPE-M12-H SPE-M4-H SPE-M5-H SPE-M6-H SPE-M8-H SPE-M3-T SPE-M4-T SPE-M5-T SPE-M6-T SPE-M8-T SPE-M10-C SPE-M12-C SPE-M3-C SPE-M4-C SPE-M5-C SPE-M6-C SPE-M8-C SPE-M3-C-FT SPE-M4-C-FT SPE-M5-C-FT SPE-M6-C-FT SPE-M3-LH SPE-M4-LH SPE-M5-LH SPE-M6-LH SPE-M3-SH SPE-M4-SH SPE-M5-SH SPE-M6-SH SPE-M3-HB SPE-M4-HB SPE-M5-HB SPE-M6-HB SPE-M8-HB 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-10-W SPE-2.6-W SPE-2-W SPE-3-W SPE-4-W SPE-5-W SPE-6-W SPE-8-W
Image Plastic Screw - Socket Head Cap Screw Plugs - PEEK Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK - Inch Thread Plastic Screw - Hex Head Screw - Inch Thread - PEEK Plastic Screw - Hex Socket Head Cap Screw - Inch Thread - PEEK Plastic Screw - Slotted Pan Head Machine Screw - PEEK - Inch Thread Plastic Screw - Slotted Flat Head Machine Screw - PEEK - Inch Thread Plastic Screw - Hex Nut - Inch Thread - PEEK Plastic Screw - Socket Head Cap Screws - PPS Plastic screw - Hex Socket Low Head Bolt - PPS
Part Name Plastic Screw - Socket Head Cap Screw Plugs - PEEK Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK - Inch Thread Plastic Screw - Hex Head Screw - Inch Thread - PEEK Plastic Screw - Hex Socket Head Cap Screw - Inch Thread - PEEK Plastic Screw - Slotted Pan Head Machine Screw - PEEK - Inch Thread Plastic Screw - Slotted Flat Head Machine Screw - PEEK - Inch Thread Plastic Screw - Hex Nut - Inch Thread - PEEK Plastic Screw - Socket Head Cap Screws - PPS Plastic screw - Hex Socket Low Head Bolt - PPS
Part Number SPE-R SPE-P(INCH) SPE-H(INCH) SPE-C(INCH) SPE-PS(INCH) SPE-FS(INCH) SPE-N(INCH) SPS-C SPS-LC
Feature Chemical Resistance
Heat Resistance		 Heat Resistance
Chemical Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance High Specific Strength
Heat Resistance
Chemical Resistance		 High Specific Strength
Heat Resistance
Chemical Resistance
Low Profile　Small Head
Material PEEK PEEK PEEK PEEK PEEK PEEK PEEK PPS PPS
Surface Treatment - - - - - - - - -
Thread Size R1/8" ～ R3/8" No.2-56UNC ～ 1/4-20UNC 1/4-20UNC No.4-40UNC ～ 1/4-20UNC No.4-40UNC ～ No.10-32UNF No.4-40UNC ～ No.10-32UNF No.4-40UNC ～ No.8-32UNC M3 ～ M8 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-1-R SPE-2-R SPE-3-R 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-1/4-20-H 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 SPE-#10-32-PS SPE-#4-40-PS SPE-#6-32-PS SPE-#8-32-PS SPE-#10-32-FS SPE-#4-40-FS SPE-#6-32-FS SPE-#8-32-FS SPE-#4-40-N SPE-#6-32-N SPE-#8-32-N SPS-M3-C SPS-M4-C SPS-M5-C SPS-M6-C SPS-M8-C SPS-M3-LC SPS-M4-LC SPS-M5-LC SPS-M6-LC
Image Plastic Screws - Hexalobular Socket Head Cap Screw with Low Profile - PPS Plastic Screws - Hexalobular Socket Head Cap Screw with Ultra Low Head - PPS Plastic Screw - Hex Head Screws - PPS Plastic Screws - Cross Recessed Flat Head Machine Screws - PPS Plastic Screw - Hex Nuts / Washers - PPS Plastic Screw - Hex Nuts / Washers - PPS Plastic Screw - Hex Head Screws - PTFE Plastic Screw - Hex Nuts / Washers - PTFE Plastic Screw - Hex Nuts / Washers - PTFE
Part Name Plastic Screws - Hexalobular Socket Head Cap Screw with Low Profile - PPS Plastic Screws - Hexalobular Socket Head Cap Screw with Ultra Low Head - PPS Plastic Screw - Hex Head Screws - PPS Plastic Screws - Cross Recessed Flat Head Machine Screws - PPS Plastic Screw - Hex Nuts / Washers - PPS Plastic Screw - Hex Nuts / Washers - PPS Plastic Screw - Hex Head Screws - PTFE Plastic Screw - Hex Nuts / Washers - PTFE Plastic Screw - Hex Nuts / Washers - PTFE
Part Number SPS-LH SPS-SH SPS-H SPS-F SPS-N SPS-W SPT-H SPT-N SPT-W
Feature High Specific Strength
Heat Resistance
Chemical Resistance
Low Profile
Space Saving		 High Specific Strength
Heat Resistance
Chemical Resistance
Low Profile
Space Saving		 High Specific Strength
Heat Resistance
Chemical Resistance		 High Specific Strength
Heat Resistance
Chemical Resistance		 Heat Resistance
Chemical Resistance		 Heat Resistance
Chemical Resistance		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance
Electrical Insulation		 Chemical Resistance
Heat Resistance
Electrical Insulation
Material PPS PPS PPS PPS PPS PPS PTFE (Polytetrafluoroethylene) PTFE (Polytetrafluoroethylene) PTFE (Polytetrafluoroethylene)
Surface Treatment - - - - - - - - -
Thread Size M3 ～ M6 M3 ～ M6 M4 ～ M12 M3 ～ M6 M2 ～ M12 M3 ～ M12 M3 ～ M12 M3 ～ M12 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 SPS-M3-LH SPS-M4-LH SPS-M5-LH SPS-M6-LH SPS-M3-SH SPS-M4-SH SPS-M5-SH SPS-M6-SH SPS-M10-H SPS-M12-H SPS-M4-H SPS-M5-H SPS-M6-H SPS-M8-H SPS-M3-F SPS-M4-F SPS-M5-F SPS-M6-F 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 SPT-M10-H SPT-M12-H SPT-M3-H SPT-M4-H SPT-M5-H SPT-M6-H SPT-M8-H SPT-M10-N SPT-M12-N SPT-M3-N SPT-M4-N SPT-M5-N SPT-M6-N SPT-M8-N SPT-10-W SPT-12-W SPT-3-W SPT-4-W SPT-5-W SPT-6-W SPT-8-W
Image Plastic Screws - Hex Head Screws - PFA Plastic Screws - Hex Nuts - PFA Plastic Screw - Hex Head Screws - PP Plastic Screw - Hex Nuts / Washers - PP Plastic Screw - Hex Nuts / Washers - PP Plastic Screws - Hex Head Screws - PVDF Plastic Screw - Socket Head Cap Screws - PVDF Plastic Screws - Hex Nuts / Washers - PVDF Plastic Screws - Hex Nuts / Washers - PVDF
Part Name Plastic Screws - Hex Head Screws - PFA Plastic Screws - Hex Nuts - PFA Plastic Screw - Hex Head Screws - PP Plastic Screw - Hex Nuts / Washers - PP Plastic Screw - Hex Nuts / Washers - PP Plastic Screws - Hex Head Screws - PVDF Plastic Screw - Socket Head Cap Screws - PVDF Plastic Screws - Hex Nuts / Washers - PVDF Plastic Screws - Hex Nuts / Washers - PVDF
Part Number SPFA-H SPFA-N SPP-H SPP-N SPP-W SPV-H SPV-C SPV-N SPV-W
Feature Chemical Resistance
Heat Resistance		 Chemical Resistance
Heat Resistance		 Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance Chemical Resistance
Material Perfluoroalkoxy Alkane Perfluoroalkoxy Alkane PP PP PP PVDF PVDF PVDF PVDF
Surface Treatment - - - - - - - - -
Thread Size M4 ～ M8 M4 ～ M8 M4 ～ M12 M4 ～ M12 M4 ～ M12 M4 ～ M12 M3 ～ M12 M3 ～ M12 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 SPFA-M4-H SPFA-M5-H SPFA-M6-H SPFA-M8-H SPFA-M4-N SPFA-M5-N SPFA-M6-N SPFA-M8-N SPP-M10-H SPP-M12-H SPP-M4-H SPP-M5-H SPP-M6-H SPP-M8-H SPP-M10-N SPP-M12-N SPP-M4-N SPP-M5-N SPP-M6-N SPP-M8-N SPP-10-W SPP-12-W SPP-4-W SPP-5-W SPP-6-W SPP-8-W SPV-M10-H SPV-M12-H SPV-M4-H SPV-M5-H SPV-M6-H SPV-M8-H SPV-M10-C SPV-M12-C SPV-M3-C SPV-M4-C SPV-M5-C SPV-M6-C SPV-M8-C SPV-M10-N SPV-M12-N SPV-M3-N SPV-M4-N SPV-M5-N SPV-M6-N SPV-M8-N SPV-10-W SPV-12-W SPV-3-W SPV-4-W SPV-5-W SPV-6-W SPV-8-W
Image Plastic Screws - Wing Nuts - POM Plastic Screws - Wing Bolts - POM Plastic Screws - Domed Cap Nuts - POM Cover Caps Cover Caps Cover Caps - PTFE Socket Head Cap Screws for Cover Caps Hex Head Screws - PFA Coating for Head
Part Name Plastic Screws - Wing Nuts - POM Plastic Screws - Wing Bolts - POM Plastic Screws - Domed Cap Nuts - POM Cover Caps Cover Caps Cover Caps - PTFE Socket Head Cap Screws for Cover Caps Hex Head Screws - PFA Coating for Head
Part Number SPO-YN SPO-YB SPO-CN SCAP-AL SCAP-CE SCAP-PT SNCPS SNHS-HTF
Feature Chemical Resistance Chemical Resistance Chemical Resistance Low Outgas
Corrosion Resistance		 Heat Resistance
Chemical Resistance

Electrical Insulation		 Chemical Resistance For Cover Caps Chemical Resistance
Material Polyacetal Polyacetal Polyacetal A5056 Al2O3 (Alumina 99.5%) PTFE (Polytetrafluoroethylene) SUSXM7 (Equivalent to SUS304) SUSXM7 (Equivalent to SUS304)
Surface Treatment - - - - - - - PFA Coating
Thread Size M4 ～ M8 M5 ～ M8 M3 ～ M8 M5 ～ M16 M5 ～ M16 M5 ～ M16 M3 ～ M10 M3 ～ M8
Operating Temperature (℃) - - - - - - - -
CAD CAD CAD CAD CAD CAD CAD CAD CAD
Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications Specifications
List SPO-M4-YN SPO-M5-YN SPO-M6-YN SPO-M8-YN SPO-M5-YB SPO-M6-YB SPO-M8-YB SPO-M3-CN SPO-M4-CN SPO-M5-CN SPO-M6-CN SPO-M8-CN 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 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 SNHS-M3-HTF SNHS-M4-HTF SNHS-M5-HTF SNHS-M6-HTF SNHS-M8-HTF

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No. 8: Preventing Part Fall-out

No. 8: Preventing Part Fall-out

Are you struggling with screw or washer fall-out during equipment assembly or maintenance?
Here we introduce products that can be used to prevent part fall-out.

All you need to know about the roles and types of washers!

All you need to know about the roles and types of washers!

This page introduces washers. As well as a description of washers, the washer products handled by NBK are introduced.

Select the best screws for your needs

Select the best screws for your needs

This page helps to select a Product based on application needs. Vacuum, Low Outgas, Clean, Chemical Resistance, High Strength, Heat Resistance, etc

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Introducing components with a captive mechanism.

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