Vibration Resistance

These screws are designed to prevent loosening.
Bolts with nylon patches use friction to suppress reverse rotation of the screw.
Eccentric Lock Washers, used in combination with hex nuts, greatly prevent loosening.
Lock nuts have friction rings to prevent loosening.
Loosening-Prevention_1en

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Part Name	Hex Socket Head Cap Screws with Special Low Profile (Nylon Patch)	Socket Head Cap Screws with Small Head and Nylon Patch	Socket Head Cap Screws with Ultra Low Small Head and Nylon Patch	Hex Socket Head Cap Screws with Special Low Profile (Stainless Steel / Nylon Patch)	Hexalobular Socket Head Cap Screws with Extreme Low Profile (Nylon Patch)	Hexalobular Socket Head Cap Screws with Extreme Low Profile (Nylon Patch)	Socket Head Cap Screws with Small Head and Nylon Patch	Socket Head Cap Screws with Ultra Low Small Head and Nylon Patch	Pan Head Machine Screws for Precision Instruments (Miniature Screws with Nylon Patch)
Part Number	SSH-EL-ALK	SNS-SD-EL-ALK	SSH-SD-EL-ALK	SSHS-ALK	SET-NI-ALK	SETS-ALK	SNSS-SD-ALK	SSHS-SD-ALK	SNZ-TBZ-ALK
Feature	Special Low Profile Space-Saving Nylon Patch	Small Head Space-Saving Nylon Patch	Special Low Profile Small Head Space-Saving Nylon Patch	Special Low Profile Space-Saving Nylon Patch	Hexalobular Socket Extra Low Profile Space-Saving Nylon Patch	Hexalobular Socket Extra Low Profile Space-Saving Nylon Patch	Small Head Space-Saving Nylon Patch	Special Low Profile Small Head Space-Saving Nylon Patch	Pan Head Machine Screw for Precision Instruments Nylon Patch
Material	Steel	Steel	Steel	SUSXM7 (Equivalent to SUS304)	Steel	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	Steel
Surface Treatment	Electroless nickel plating	Electroless nickel plating	Electroless nickel plating	-	Nickel plating	-	-	-	Black Trivalent Chromate Treatment
Thread Size	M2 ～ M8	M3 ～ M8	M3 ～ M8	M2 ～ M8	M3 ～ M5	M2 ～ M6	M2 ～ M8	M2 ～ M8	M1.4 ～ M2.6
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SSH-M2.5-EL-ALK SSH-M2-EL-ALK SSH-M3-EL-ALK SSH-M4-EL-ALK SSH-M5-EL-ALK SSH-M6-EL-ALK SSH-M8-EL-ALK	SNS-M3-SD-EL-ALK SNS-M4-SD-EL-ALK SNS-M5-SD-EL-ALK SNS-M6-SD-EL-ALK SNS-M8-SD-EL-ALK	SSH-M3-SD-EL-ALK SSH-M4-SD-EL-ALK SSH-M5-SD-EL-ALK SSH-M6-SD-EL-ALK SSH-M8-SD-EL-ALK	SSHS-M2.5-ALK SSHS-M2-ALK SSHS-M3-ALK SSHS-M4-ALK SSHS-M5-ALK SSHS-M6-ALK SSHS-M8-ALK	SET-M3-NI-ALK SET-M4-NI-ALK SET-M5-NI-ALK	SETS-M2.6-ALK SETS-M2-ALK SETS-M3-ALK SETS-M4-ALK SETS-M5-ALK SETS-M6-ALK	SNSS-M2.5-SD-ALK SNSS-M2-SD-ALK SNSS-M3-SD-ALK SNSS-M4-SD-ALK SNSS-M5-SD-ALK SNSS-M6-SD-ALK SNSS-M8-SD-ALK	SSHS-M2.5-SD-ALK SSHS-M2-SD-ALK SSHS-M3-SD-ALK SSHS-M4-SD-ALK SSHS-M5-SD-ALK SSHS-M6-SD-ALK SSHS-M8-SD-ALK	SNZ-M1.4-TBZ-ALK SNZ-M1.7-TBZ-ALK SNZ-M2.6-TBZ-ALK SNZ-M2-TBZ-ALK

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Part Name	Pan Head Machine Screws for Precision Instruments (Miniature Screws with Nylon Patch)	Hexalobular Socket Extra Low Profile Miniature Screw / Nylon Patch	Eccentric Lock Washer™	Ribbed Lock Washers	Ribbed Lock Washers	Hex Lock Nuts	Hex Lock Nuts - Titanium
Part Number	SNZS-ALK	SNZCXS-ALK	SWAS-EW	SWR	SWRS	SWUS	SWUT
Feature	Pan Head Machine Screw for Precision Instruments Nylon Patch	Flat Head Machine Screw for Precision Instruments	Vibration resistant treatment with commercial hexagon nut	Vibration Resistant	Vibration Resistant	Vibration Resistant	Lightweight Nonmagnetic Vibration Resistant
Material	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUS304	Steel	Stainless Steel	SUS304	Grade 2 Titanium
Surface Treatment	-	-	-	Ferrosoferric Oxide Film (Black)	-	-	Special Chemical Polishing
Thread Size	M1 ～ M2.6	M1.4 ～ M2.5	M6 ～ M12	M2 ～ M20	M1.6 ～ M20	M6 ～ M12	M3 ～ M10
Operating Temperature (℃)	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNZS-M1.4-ALK SNZS-M1.6-ALK SNZS-M1.7-ALK SNZS-M1-ALK SNZS-M2.5-ALK SNZS-M2.6-ALK SNZS-M2-ALK	SNZCXS-M1.4-ALK SNZCXS-M1.6-ALK SNZCXS-M2.5-ALK SNZCXS-M2-ALK	SWAS-10-EW SWAS-12-EW SWAS-6-EW SWAS-8-EW	SWR-10 SWR-12 SWR-16 SWR-2 SWR-2.5 SWR-20 SWR-3 SWR-4 SWR-5 SWR-6 SWR-8	SWRS-1.6 SWRS-10 SWRS-12 SWRS-16 SWRS-2 SWRS-2.5 SWRS-20 SWRS-3 SWRS-4 SWRS-5 SWRS-6 SWRS-8	SWUS-M10 SWUS-M12 SWUS-M6 SWUS-M8	SWUT-M10 SWUT-M3 SWUT-M4 SWUT-M5 SWUT-M6 SWUT-M8

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