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1/4 Tooth Lock Washers (ASME B18. 21.1)

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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Search Results Sponsored by Fasteners & Metal Products, your source for Int. & Ext. Tooth Lock Washers. For more results, visit   fastmetalproducts.com
SupplierLocTypeMaterialFinishSizeDescriptionQty 
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 ext tooth l/w 400 s/s b18.21.1261
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AbabaCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 ext tooth l/w hrd stl znc b18.21.15300
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 int tooth l/w 400 s/s b18.21.12873
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AbabaCATooth Lock Washer (Int. & Ext.)SteelBlack Oxide1/41/4 int tooth l/w hrd stl blk ox wax b18.21.11840
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AbabaCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 int tooth l/w hrd stl znc b18.21.114150
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GLFOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 external tooth lock stl zc b18.21.1 () () ()27574
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GLFOHTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 external tooth lock 410 s/s b18.21.1 () () ()446
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GLFOHTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 internal tooth lock 410 s/s b18.21.1 () () ()12404
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GLFOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal tooth lock stl zc b18.21.1 () () ()2547
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GLFOHTooth Lock Washer (Int. & Ext.)SteelPlain1/41/4 bronze internal/tooth MS35333-108 b18.21.1 () () ()150
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GLFOHTooth Lock Washer (Int. & Ext.)SteelCadmium/Yellow1/41/4 steel internal/tooth- cad/yellow MS35333-40 b18.21.1 () () ()900
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Irwin IndOntTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Passivated1/41/4 external tooth lockwasher stainless steel passivated b18.21.11850
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Irwin IndOntTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 ext tooth lockwasher steel zinc trivalent clear b18.21.1 5505
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Irwin IndOntTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 int tooth lockwasher stainless steel b18.21.1840
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Irwin IndOntTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal tooth lockwasher steel zinc trivalent clear b18.21.1 1500
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ASMCILTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4internal tooth lock ss410 b18.21.1650
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 ext tooth l/w 400 s/s b18.21.1700
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 int tooth l/w 400 s/s b18.21.1600
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AbabaCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 int tooth l/w hrd stl znc b18.21.11114
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Alma BoltMITooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 st. st. internal star washer b18.21.12292
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Alma BoltMITooth Lock Washer (Int. & Ext.)SteelPlain1/41/4 external star washer b18.21.1900
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SIIINTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 zinc finish external tooth lock washer b18.21.136571
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal tth l/w stl zinc SIWIS0250 b18.21.19778
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Passivated1/4ms35335-61 1/4 l/w MS35335-61 b18.21.11982
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JET FITTINGCATooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 external tth l/w 18-8 ss 31-EXT-25 b18.21.16134
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 internal tth l/w 410 ss 4-INT-25 b18.21.1499
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StandardMATooth Lock Washer (Int. & Ext.)Silicon BronzePlain1/41/4 external tooth washer silicon bronze b18.21.1inquire
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 external lock zinc b18.21.1161
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal lock zinc b18.21.1647
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/4 x 961/4 countersink tooth lock zinc plated (96 hrs salt spray test white rust) rohs b18.21.142315
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 external tooth lock tri-zinc b18.21.15400
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 external tooth lock tri-zinc b18.21.14900
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QFCTXTooth Lock Washer (Int. & Ext.)Phosphor BronzePlain1/41/4 external tooth l/w phos bronze b18.21.12000
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QFCTXTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 external tooth l/w 18-8 s/s b18.21.1400
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QFCTXTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 external tooth l/w 18-8 s/s b18.21.11350
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Yellow1/41/4 internal tooth l/w zinc/yellow b18.21.13500
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal tooth l/w type-b zinc b18.21.11000
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QFCTXTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 internal tooth l/w 410 s/s b18.21.130
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QFCTXTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/41/4 internal tooth l/w 410 s/s b18.21.1710
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QFCTXTooth Lock Washer (Int. & Ext.)SteelPlain1/4 x 4101/4 internal lock 410 b18.21.1500
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QFCTXTooth Lock Washer (Int. & Ext.)SteelPlain1/4 x 4101/4 internal lock 410 b18.21.12100
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QFCTXTooth Lock Washer (Int. & Ext.)Phosphor BronzePlain1/41/4 external lock phos bronze b18.21.1350
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General FMITooth Lock Washer (Int. & Ext.)SteelDip-Spin, Spray-Spin Basecoat + Topcoats (Dacromet, Doerken, Geomet, Magni, etc.)1/4hf 1/4 int tooth lw magni 560 b18.21.142062
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General FMITooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 int tooth lw zinc pltd b18.21.120000
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General FMITooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 ext tooth lw zn clr b18.21.115638
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OSSCORITooth Lock Washer (Int. & Ext.)Silicon BronzePlain1/41/4 external tooth l/w sili brze b18.21.194
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OSSCORITooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 external internal lock plated b18.21.1516
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 external tooth l/w triv zinc b18.21.110000
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 int/ext tooth l/w zinc b18.21.18868
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal tooth l/w zinc b18.21.14237
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Yellow1/41/4 extra heavy split-lock washer steel yellow zinc b18.21.11806
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4washer lock internal star 1/4 stainless steel 410 b18.21.13035
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal star lock washer steel zinc b18.21.11500
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelZinc/Yellow1/41/4 internal star lock washer steel zinc yellow b18.21.11775
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4washer lock external star 1/4 stainless steel 410 b18.21.1790
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelPlain1/4washer lock external star 1/4 stainless steel 410 b18.21.150
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WurthOntTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4wsh ext lw a sst 410 1/4 b18.21.14730
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THRDFASTFLTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4410 ss external tooth l/w b18.21.1400
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THRDFASTFLTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4410 ss internal tooth l/w b18.21.121
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THRDFASTFLTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/4ext ernal tooth l/w b18.21.1405
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THRDFASTFLTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4410 ss internal tooth l/w b18.21.1216
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THRDFASTTNTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/4external tooth l/w b18.21.13,295
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THRDFASTTNTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/4internal tooth l/w b18.21.12,000
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KBSTNTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 internal tooth l/w plated b18.21.14,775
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KBSTNTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 external tooth l/w pltd b18.21.119,129
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THRDFASTALTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/418-8 ss internal tooth l/w b18.21.150
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THRDFASTALTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4410 ss internal tooth l/w b18.21.1243
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THRDFASTOKTooth Lock Washer (Int. & Ext.)Silicon BronzePlain1/4sili brnz internal tooth l/w b18.21.1332
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THRDFASTMSTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/4external tooth l/w b18.21.160
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THRDFASTALTooth Lock Washer (Int. & Ext.)SteelZinc/Yellow1/4internal tooth l/w z&y b18.21.12418
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THRDFASTOKTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain1/4410 ss internal tooth l/w b18.21.1100
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THRDFASTALTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/4internal tooth l/w b18.21.164
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All SizeTXTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/41/4 ext. tooth lock washer s/s b18.21.11,493
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DavisILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear1/41/4 ext tooth lockwasher-steel zinc b18.21.124,000
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