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#8 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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SupplierLocTypeMaterialFinishSizeDescriptionQty 
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Irwin IndOntTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 internal/external tooth lock washer 18.8 ss b18.21.1868
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Irwin IndOntTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external tooth lockwasher steel zinc trivalent clear b18.21.195500
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Irwin IndOntTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 ext tooth lockwashers stainless steel b18.21.1 41734
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Irwin IndOntTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 internal tooth lockwasher zinc trivalent clear b18.21.149000
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Irwin IndOntTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 int tooth lockwashers stainless steel b18.21.17295
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GLFOHTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 external tooth lock 410 s/s b18.21.1 () () ()5448
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GLFOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 internal tooth lock stl zc b18.21.1 () () ()50788
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GLFOHTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external tooth lock stl zc b18.21.1 () () ()11545
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GLFOHTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 internal tooth lock 410 s/s b18.21.1 () () ()5385
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GLFOHTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Passivated#8#8 internal l/w cres per spec MS35333-72 b18.21.1 () () ()1400
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GLFOHTooth Lock Washer (Int. & Ext.)SteelCadmium/Yellow#8MS35333-38 b18.21.1 () () ()1950
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 ext tooth l/w 400 s/s b18.21.1877
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AbabaCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 ext tooth l/w hrd stl znc b18.21.130700
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 int tooth l/w 400 s/s b18.21.111490
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AbabaCATooth Lock Washer (Int. & Ext.)SteelBlack Oxide#8#8 int tooth l/w hrd stl blk ox wax b18.21.16400
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AbabaCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 int tooth l/w hrd stl znc b18.21.111700
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ASMCILTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8-32 x 1/2coarse sems phil pan hd external tooth lockwash low carb zp b18.21.12,900
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 ext tooth l/w 400 s/s b18.21.1800
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AbabaCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 ext tooth l/w hrd stl znc b18.21.1200
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AbabaCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 int tooth l/w 400 s/s b18.21.1700
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AbabaCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 int tooth l/w hrd stl znc b18.21.1400
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Alma BoltMITooth Lock Washer (Int. & Ext.)SteelPlain#8#8 external star washer b18.21.1700
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SIIINTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external tooth lockwasher zinc cr+3 ( b18.21.131600
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 internal tth l/w stl zinc 240040 b18.21.173026
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Passivated#8ms35335-59 #8 l/w MS35335-59 b18.21.12230
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelPlain#8#8 external tth l/w stl zi 239040 b18.21.166712
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 internal tooth l/w 410 ss 24BI#8 b18.21.13372
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 internal tooth l/w 410 s/s (ms35333-72) MS35333-72 b18.21.1392
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external lock zinc b18.21.12173
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external lock zinc b18.21.150
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external lock zinc b18.21.1200
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 internal lock zinc b18.21.12440
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 internal lock zinc b18.21.1588
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QFCTXTooth Lock Washer (Int. & Ext.)SteelPlain#8 x 410#8 external tooth lock 410 b18.21.120
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 internal tooth l/w zinc b18.21.12292
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General FMITooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external tooth lock zn b18.21.119423
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OSSCORITooth Lock Washer (Int. & Ext.)Silicon BronzePlain#8#8 external tooth l/w sili brze b18.21.1600
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OSSCORITooth Lock Washer (Int. & Ext.)SteelBlack Oxide#8#8 external tooth l/w black ox b18.21.17,100
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OSSCORITooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 internal tooth l/w 18-8 304 b18.21.1300
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OSSCORITooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 internal tooth l/w plated b18.21.15,336
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QFCTXTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 internal tooth lockwasher 18-8 b18.21.156950
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QFCTXTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external tooth l/w trivalent clear b18.21.12500
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QFCTXTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 external tooth l/w 18-8 s/s b18.21.11165
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QFCTXTooth Lock Washer (Int. & Ext.)SteelPlain#8 x 410#8 internal lockwasher 410 b18.21.1350
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8washer lock internal star #8 stainless steel 410 b18.21.15900
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8washer lock #8 steel zinc plated internal star b18.21.1320
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JET FITTINGCATooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8washer lock #8 stainless steel400 external star b18.21.1780
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8#8 external star lock washer steel zinc plated b18.21.121000
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelPlain#8washer lock #8 cadmium plated yellow internal star dfar certs required b18.21.15733
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JET FITTINGCATooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8#8 external star lock washer stainless steel 410 b18.21.1200
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JET FITTINGCATooth Lock Washer (Int. & Ext.)Silicon BronzePlain#8washer lock #8 brz internal star b18.21.11125
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JET FITTINGCATooth Lock Washer (Int. & Ext.)SteelZinc/Yellow#8washer lock #8 cadmium plated yellow internal star b18.21.185214
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THRDFASTFLTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8internal tooth l/w b18.21.134,652
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THRDFASTFLTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8external tooth l/w b18.21.14,375
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THRDFASTFLTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8410 ss internal tooth l/w b18.21.11,000
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THRDFASTFLTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8410 ss external tooth l/w b18.21.11,717
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THRDFASTOKTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8external tooth l/w b18.21.117,872
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THRDFASTFLTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8external tooth l/w b18.21.15000
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THRDFASTOKTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8410 ss external tooth l/w b18.21.140
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THRDFASTOKTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8internal tooth l/w b18.21.1300
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THRDFASTALTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8410 ss external tooth l/w b18.21.1190
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THRDFASTFLTooth Lock Washer (Int. & Ext.)SteelZinc/Clear#8internal tooth l/w b18.21.12500
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THRDFASTOKTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8410 ss internal tooth l/w b18.21.170
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THRDFASTALTooth Lock Washer (Int. & Ext.)400 Stainless (405, 410,416,420,430 etc.)Plain#8410 ss internal tooth l/w b18.21.1112
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All SizeTXTooth Lock Washer (Int. & Ext.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain#8#8 ext. tooth lock washer s/s b18.21.11,576
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All SizeTXTooth Lock Washer (Int. & Ext.)SteelPlain#8#8 int. tooth lock washer b18.21.110,017
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