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
＊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 ：RENY^TM is a trademark of GLOBAL POLYACETAL CO., LTD.
＊6 ：VESPEL is a registered trademark of DuPont.

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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

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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

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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

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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 with Ultra Low Profile - 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

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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

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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

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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

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Part Name	Hex Nuts - Ceramic	Plastic Hex Nut - PEEK	Plastic Hex Nut for Inch Screw - PEEK	Plastic Hex Nut - PTFE	Plastic Hex Nut - PPS	Plastic Washer - PPS	Plastic Cap Nut - 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

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Part Name	Plastic Wing Screw - POM	Plastic Wing Nut - POM	Seal Washers - PFA Coating	Washers - Titanium	Adjust Metal Washer - Stainless Steel Black	Plain Washers for High Strength Stainless Steel Bolts	Inconel Washer	Plastic Washer - PEEK	Plastic Washer - 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

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Part Name	Washers - Titanium	Plastic Standoff - PEEK	Plastic Set Screw - PEEK	Plastic Plug - 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
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The Semiconductor Industry and NBK's Initiatives

Here we begin with a description of the industry trends and introduce actual case studies in which we resolved issues for semiconductor manufacturing equipment manufacturers, sorted by equipment, manufacturing process, and environment.

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!

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

This page compares the dimensions of low profile and small head screws. Easily find screws that satisfy the desired dimensions, shape and material.

No. ９: Increasing Throughput

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

Helpful Resources

The Semiconductor Industry and NBK's Initiatives

No. 1: The Semiconductor Industry and NBK

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

No. ９: Increasing Throughput

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

Customization

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Screw combination service

Vol.1 What is Seizing (Galling)?

Vol.7 Screw Tightening Control Methods

Select the best screws for your needs

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

Only certain workersshould be able to remove screws 【Safety Measures/Precautionary Measures】

Vol.4 What are washers used for?

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Slip Torque of Coupling – Set Screw Type

General Tolerances

Auto-Positioning Units Frequently Asked Questions (FAQ)

Coupling and Single-axis Actuator Assembly Method

Hints for correctly using NBK products: Quick Positioning Brackets

Hints for correctly using NBK products: Captive Washer for Pull

Hints for correctly using NBK products: Metal Super Knob

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

Procedure of Selection

No. ９: Increasing Throughput

No. 2: Vacuum environments

What are Captive Screws? Introduction of the NBK Captive Series

Vol.7 Screw Tightening Control Methods

What Are Knobs? Functions, Types, Features, Applications and More

No. 2: Vacuum environments

What are Captive Screws? Introduction of the NBK Captive Series

SEMS Screws: Efficiency and Convenience in Fastening

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

Use the NBK Captive Screw Series to be comply with CE

Preventing gaps between the sheet and screw when fastening thin sheets

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

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

Higher torque and Lower price.

NBK SPECIAL SCREWS

What is a Coupling? Explanation of Types and Characteristics

Vol.6 Varieties of Screws "Beyond" SUS

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

A new generation of disk couplings

High-Gain Rubber Type Coupling XG2

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

No. ９: Increasing Throughput

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

What makes our custom screws special

Customization

NBK SPECIAL SCREWS

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

Solving common issues with Semiconductor Manufacturing Equipment（Pre-Process）

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

Higher torque and Lower price.

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

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

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

No. 2: Vacuum environments

What are Captive Screws? Introduction of the NBK Captive Series

The Semiconductor Industry and NBK's Initiatives

No. 1: The Semiconductor Industry and NBK

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

No. ９: Increasing Throughput

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

Vol.1　What is Seizing (Galling)?

Vol.7　Screw Tightening Control Methods

Vol.4　What are washers used for?

Vol.7　Screw Tightening Control Methods

Vol.6　Varieties of Screws "Beyond" SUS

Vol.1　What is Seizing (Galling)?

Vol.7　Screw Tightening Control Methods

Vol.1　What is Seizing (Galling)?

Vol.4　What are washers used for?

Vol.7　Screw Tightening Control Methods