FCH News

#3 Tooth Lock Washers

Tooth Lock Washers are often used with machine screws in electrical applications, and are usually smaller diameter An Internal Tooth Lock Washer has teeth around the center hole, while an External Tooth Lock Washer has teeth around the outside. Sometimes tooth lock washers can be concave, and have both internal and external teeth. Larger diameter External Tooth Lock washers are often used to lock nuts onto shafting. In this case the external tabs are bent up to lock the nut in place.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
FMPMATooth Lock Washer (Int. & Ext.)SteelPlain#3internal l/w20000
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FMPMATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3internal l/w20000
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FMPMATooth Lock Washer (Int. & Ext.)SteelPlain#3Shakeproof (ITW Shakeproof) shakeproof 1203-00 #3 internal l/w21000
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FMPMATooth Lock Washer (Int. & Ext.)Phosphor BronzeCadmium#3internal bronze l/w129000
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NAPPCOTXTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3 x .109#3 intlockwasher s/s t410 .109-.102 i.d. 58
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UNEEDANJTooth Lock Washer (Int. & Ext.)SteelPlain#3 x 1#3 internal l/w 1m bx2000
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UNEEDANJTooth Lock Washer (Int. & Ext.)SteelPlain#3 x 1#3 external l/w 1m bx21000
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JacksonMSTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3internal tooth l/w ss74
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JacksonMSTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3external tooth l/w 410 s/s22
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3#3 int tooth l/w 400 s/s b18.21.12550
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3#3 int tooth l/w 400 s/s b18.21.1100
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QFCTXTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3#3 internal tooth l/w 18-8 s/s b18.21.11028
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HewesNYTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3internal tooth l/w pl600
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HewesNYTooth Lock Washer (Int. & Ext.)Phosphor BronzePainted#3internal tooth l/wphos bronze700
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ACFCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal tooth lockwasher z/p rohs3670
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ACFCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal tooth lockwasher z/p rohs compliant1252
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CenturyFLTooth Lock Washer (Int. & Ext.)SteelPlain#3#3 internal l/w (BRONZE NICKBRT) (BRONZE NICK BRT) 3177
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Wurth AdaMNTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3washer internal l/w a steel (zt) #320,000
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Wurth AdaMNTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3washer internal l/w a steel (zn) #34,892
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Wurth AdaMNTooth Lock Washer (Int. & Ext.)SteelZinc/Yellow#3washer internal l/w a steel (zyt) #35,000
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Irwin IndOntTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 int. tooth washer zinc b18.21.16585
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GLFOHTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3#3 internal tooth lock 410 s/s b18.21.1 () () ()4433
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AmericanNYTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3internal l/w s/s1100
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NAPPCOTXTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Passivated#3#3intlockwasher s/s t410 passivated 2680
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NAPPCOTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 extlockwasher zp .109-.102 id 1942
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelPlain#3external l/w black3500
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelPlain#3external l/w10700
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelPlain#3external l/w shakeproof WE-.03SHAKE150000
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3external lock pl75500
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelNickel Plated#3external l/w pl1300
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelCadmium#3external l/w cad pl1000
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelPlain#3internal l/w black1800
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelZinc/Yellow#3internal l/w1400
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AmericanNYTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3internal l/w pl10000
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MFSKSTooth Lock Washer (Int. & Ext.)SteelZinc/Yellow#3internal tooth lock10000
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MFSKSTooth Lock Washer (Int. & Ext.)SteelPlain#3internal tooth lock10000
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MFSKSTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3external tooth lock16750
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MFSKSTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3external tooth lock233
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MidStatesMITooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3external tooth l/w znc1397
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MidStatesMITooth Lock Washer (Int. & Ext.)SteelZinc/Black#3internal tooth l/w blk znc1939
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StandardMATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3#3 internal tooth lock washer 410 stainless steel b18.21.19821
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DeltaTXTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3external tooth washer 410 sst #33380
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DeltaTXTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3internal tooth washer 410 sst #313475
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SJS ProdCATooth Lock Washer (Int. & Ext.)SteelZinc/Cleart/#3int/th l/w zp #3 21643
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All SizeTXTooth Lock Washer (Int. & Ext.)SteelPlain#3#3 int. tooth lock washer b18.21.110,237
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FMPMATooth Lock Washer (Int. & Ext.)SteelPlain#3internal l/w20000
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FMPMATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3internal l/w20000
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FMPMATooth Lock Washer (Int. & Ext.)SteelPlain#3Shakeproof (ITW Shakeproof) shakeproof 1203-00 #3 internal l/w21000
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FMPMATooth Lock Washer (Int. & Ext.)Phosphor BronzeCadmium#3internal bronze l/w129000
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FMPMATooth Lock Washer (Int. & Ext.)Phosphor BronzePlain#3internal bronze l/w25000
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FMPMATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3Shakeproof (ITW Shakeproof) shakeproof 1703-00 #3 internal 410 s/s l/w12500
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FMPMATooth Lock Washer (Int. & Ext.)Phosphor BronzePlain#3Shakeproof (ITW Shakeproof) shakeproof 1903-00 #3 internal bronze l/w25200
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FMPMATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3Shakeproof (ITW Shakeproof) shakeproof 1603-00 #3 external 410 s/s l/w5000
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FMPMATooth Lock Washer (Int. & Ext.)Phosphor BronzeZinc/Clear#3Shakeproof (ITW Shakeproof) shakeproof 1903-00 #3 internal bronze l/w25200
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FMPMATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3Shakeproof (ITW Shakeproof) shakeproof 1203-00 #3 internal l/w21000
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GlobalCATooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated#3external tooth l/w 18-8 ss passivate 0.102idx0.235 od360
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KomarILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 external tooth lock zinc5500
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Alma BoltMITooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3st. st. external star900
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MAINSOURCNHTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3internal tooth l/w 400 series ss269
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MAINSOURCNHTooth Lock Washer (Int. & Ext.)Phosphor BronzePainted#3internal tooth l/w phos bronze692
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Kanebridge ILTooth Lock Washer (Int. & Ext.)SteelZinc/Black#3#3 internal tooth lock washer black zinc and bake250,000
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Kanebridge ILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 external tooth lock washer zinc250,000
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Kanebridge ILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal tooth lock washer zinc250,000
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LibertyTooth Lock Washer (Int. & Ext.)SteelCadmium/Yellow#3internal tooth lock cad & cad &8,400
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LibertyILTooth Lock Washer (Int. & Ext.)SteelCadmium#3internal tooth lock cadmium16,200
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LibertyILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3external tooth lock zinc200
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LibertyILTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3internal tooth lock 410 s/s 410 stainless1,000
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LibertyILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3external tooth lock poor poor11,500
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UNEEDANJTooth Lock Washer (Int. & Ext.)SteelPlain#3external l/w50000
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HayesCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3#3 internal tooth l/w 400 s/s500
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Fastener OHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3internal tooth lock #3 steel zinc 4000
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NAPPCOTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 intlock steel zp .109-.102 i.d.44800
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OSSCORITooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 external tooth l/w plated b18.21.1600
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FastenercOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 (1103) steel external tooth l/w zinc13950
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KomarILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 external tooth lock zinc
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HodellOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal tlw zinc clear 1203-00-00-055110000
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FastenercOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 steel internal tooth l/w zinc3450
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AFIFLTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#3#3 int tooth lock washer ss () ()8715
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Valley NuWATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3410 ss external lock770
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CentenniaCOTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3#3 int.tooth lockwasher 410ss144
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Raw ProduNJTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3internal tooth lock washers 410 ss #312524
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Raw ProduNJTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3external tooth lock washers 410 ss #31736
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HodellOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal tlw zinc clear 1203-00-00-055110000
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HodellOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal tlw zinc clear 1203-00-00-055110000
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ArdenWITooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3#3 external lock washer 410 ssinquire
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EmpireWATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal tooth l/w zp300
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Valley NuWATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#3410 ss internal lock480
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CenturyNYTooth Lock Washer (Int. & Ext.)Silicon BronzePlain#3 internal l/w bronze nick brt3177
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QCSORTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#3#3 internal lockwasher stl zinc500
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