1/2-20 Nylon Insert Lock Nuts

Nylon-Insert Lock Nuts, Nyloc Nuts or Elastic Stop Nuts, are locknuts with a nylon or fiber internal collar that increases friction on the screw thread. The screw thread does not cut into the nylon insert, however, the insert deforms elastically over the threads. Since the locking feature can be affected by heat, they are more correctly referred to as “Stop” nuts.

15,497 Lock Nut, Nylon Insert, showing 200, (click on any line for more information)

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
TSFTXLock Nut, Nylon InsertGrade CZinc/Yellow1/2-201/2 -20 nylon insert locknuts grade c zinc-yellow1046
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TSFTXLock Nut, Nylon InsertGrade CPhosphate1/2-20nylon insert lock nut gr c phos & oil 1/2 -20166
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TSFTXLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut thin height zinc plated 1/2-2089
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CenturyFLLock Nut, Nylon InsertSteelPlain1/2-20ms21044c813
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CenturyFLLock Nut, Nylon InsertSteelPlain1/2-20ms21044n849
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CenturyFLLock Nut, Nylon InsertSteelPlain1/2-20ms21083c8133
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CenturyFLLock Nut, Nylon InsertSteelPlain1/2-20ms21083n88
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QCSORLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon insert locknut ss55
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CenturyFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20ms17830-8f1
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MESAFASTCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert lock nut 18-8 s/s70.0
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MESAFASTCALock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert lock nut10.0
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Cal FastenrsCALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 hex nylok nut gr 8 - dc- ii 50FNNE8Y20
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B & K FASTPALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nte stainless nylon ins jam locknuts b18.2.21
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B & K FASTPALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 ne nylon insert locknuts gr 8 z yellow b18.2.2101
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B & K FASTPALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon locknuts 18-8 stainless b18.2.220
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MTPCALock Nut, Nylon InsertGrade 8Zinc/Black1/2-201/2-20 gr.8 bl/zn nylon insert locknuts fine300
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MTPCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 ne st/zn nyl/in locknuts1,806
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MTPCALock Nut, Nylon InsertGrade 8Plain1/2-201/2-20 ne stl gr.8 plain nyl/in locknuts111
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MTPCALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 ne gr.8 y/zn nyl/in locknuts1,723
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MTPCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 ne 18-8 s.s nyl/in locknutsstock
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MTPCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nte-stl zn nyl/in locknut (low profile)1,033
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IndexFastCALock Nut, Nylon InsertGrade CZinc/Black1/2-20n1220nlcszb 1/2-20 nylon insert lock nut steel/plain grade c (send out for black zinc plating)988
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YANKEENHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 thin nylon-insert l/n stain steel62
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YANKEENHLock Nut, Nylon InsertGrade 8Phosphate1/2-201/2-20 nylon insert lock nut grade 8 blk phosphate47
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YANKEENHLock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 nylon insert lock nut grade 8 zinc/yellow139
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YANKEENHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon insert lock nut stain steel125
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YANKEENHLock Nut, Nylon InsertSteelZinc/Clear1/2-20thin nylon-insert l/n477
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YANKEENHLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert lock nut348
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ACFCALock Nut, Nylon InsertSteelPlain1/2-201/2-20 high tensile (ne) esna nylon insert locknut709
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ACFCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 ( ne ) nylon insert locknut z/p rohs42
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ACFCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 s/s ( ne ) nylon insert locknut200
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NAPPCOTXLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut steel zp 1/2-2024191
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NAPPCOTXLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut steel zp 1/2-201114
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NAPPCOTXLock Nut, Nylon InsertSteelZinc/Yellow1/2-20nyloninsertlocknut stlzinc yellow 1/2-20600
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NAPPCOTXLock Nut, Nylon InsertGrade 8Plain1/2-20nylon insert locknut grade 8 1/2-20198
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SWACOOHLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nylon insert locknut nte zinc tri valent chromate rohs compliant1450
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SWACOOHLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nyl insert l/n stl zinc300
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VertexDILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nf nylon insert locknut 18-8 ss32397
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METRO INDOHLock Nut, Nylon InsertSteelPlain1/2-20jam elastic stop nut sae150
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METRO INDOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20jam elastic stop nut SAE s/s44
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METRO INDOHLock Nut, Nylon InsertSteelZinc/Clear1/2-20elastic stop nut sae88
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METRO INDOHLock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-20elastic stop nut SAE gr 8 /y100
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METRO INDOHLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20elastic stop nut SAE s/s25
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NutsBoltsNELock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nylon lock nut zp798
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NutsBoltsNELock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 jam nylock nut zp325
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NutsBoltsNELock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 gr8 nylock nut zy842
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ZAL INDUSCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nylon insert l/n pltd535
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General FMILock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nyl ins ln zn b18.2.28,950
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EndriesWILock Nut, Nylon Insert316, 317, A4 StainlessPlain1/2-201/2-20 316 stainless steel nylon insert locknut1424
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General FMILock Nut, Nylon InsertGrade 8Zinc/Clear1/2-201/2-20 nyl ins ln gr 8 zn b18.2.2450
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General FMILock Nut, Nylon InsertSteelPlain1/2-201/2-20 nyl ins ln nte sae 1010-1020 b18.2.262,736
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ACCURATEILLock Nut, Nylon InsertSteelZinc/Clear1/2-20ne nylon insert hex locknut638
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ACCURATEILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert hex locknut 18-8 s/s43
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ACCURATEILLock Nut, Nylon InsertSteelZinc/Clear1/2-20nte nylon insert thin pat nut1900
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AmericanNYLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nylon insert jam locknut zinc pl2750
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 ne nyloc gr 8 zii b18.2.2906
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 ne nyloc gr 8 zii b18.2.2200
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 ne nyloc 10/pkg gr 8 zii b18.2.23
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AbabaCALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 ne nyloc 10/pkg gr 8 zii b18.2.26
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 ne nyloc s/s b18.2.2100
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 ne nyloc 10/pkg s/s b18.2.23
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 ne nyloc 10/pkg s/s b18.2.23
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 ne nyloc stl znc b18.2.250
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ASMCILLock Nut, Nylon InsertSteelZinc/Clear1/2-20fine nyloc nut ne (standard) low carb zp900
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ASMCILLock Nut, Nylon InsertGrade CZinc/Yellow1/2-20fine grc nyloc nut ne (standard) med carb400
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ASMCILLock Nut, Nylon InsertSteelZinc/Clear1/2-20fine nyloc nut nte (thin) low carb zp1,126
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ASMCILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20fine nyloc nut ne (standard) ss18-8839
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nte thin n.i. l/n s/s b18.2.253
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AbabaCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nte thin n.i. l/n s/s b18.2.210
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nte thin n.i. l/n stl znc b18.2.2281
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AbabaCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nte thin n.i. l/n stl znc b18.2.2100
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LippinCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 flange nylon insert lock nut zinc500
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LippinCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert locknut fine stainless 18-8955
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LippinCALock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut fine zinc plated1350
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LippinCALock Nut, Nylon InsertGrade 8Zinc/Clear1/2-20nylon insert locknut gr-8 fine zinc plated590
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LippinCALock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert jam nut fine zinc plated2200
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JacksonMSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nf nylon locknut 18-8 ss75
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JacksonMSLock Nut, Nylon InsertSteelZinc/Yellow1/2-20nf nylon insert locknut ne dom.. (green)246
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SIIINLock Nut, Nylon InsertGrade CZinc/Yellow1/2-201/2-20 grade c nylok yellow zinc locknut) b18.2.2859
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JacksonMSLock Nut, Nylon Insert316, 317, A4 StainlessPlain1/2-201/2-20 nf nylon locknut 316 stainless30
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Future FastenerTXLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nylon insert lock nut plt284
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Future FastenerTXLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nylon insert (jam) nut plt78
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Future FastenerTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon insert lock nut ss662
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JacksonMSLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nf nylon insert jam nut 18-8 ss107
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JacksonMSLock Nut, Nylon InsertSteelZinc/Clear1/2-20nf jam nuts nte series1904
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JacksonMSLock Nut, Nylon InsertSteelZinc/Clear1/2-20nf insert locknut ne2532
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JacksonMSLock Nut, Nylon InsertGrade CZinc/Yellow1/2-201/2-20 nf nylon insert lock-nut zy (gr.c)1441
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OlanderCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 thin nyl insert lknut sst105
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TownCountryARLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert lock nut ne23
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TownCountryARLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert lock nut nte303
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TownCountryARLock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-20nylon insert lock nut neinquire
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FastWareSaskLock Nut, Nylon InsertGrade 2Zinc/Yellow1/2-20nf jam nylon insert lock nut1,230
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SRFALLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert l/n s/s-
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BrikksenFLLock Nut, Nylon InsertBrassPlain1/2-201/2-20 nylon insert lock nut brass 25 per box b18.2.2228
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BrikksenFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon insert l/n ss-25 per box b18.2.2172
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BrikksenFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon insert locknut ss 50 per box f-18box b18.2.241
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BrikksenFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon insert l/n ss/chr b18.2.22700
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BrikksenFLLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 nylon insert locknut 18-8 ss 25 per small bag 10 small bags per master pack-seachoice brand b18.2.22725
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Yellow1/2-20nut hex nyl/insert nte grade a (zy) 1/2-2011,801
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Wurth AdaMNLock Nut, Nylon InsertGrade CZinc/Yellow1/2-20nut hex nyl/insert ne grade c (zy) 1/2-201,200
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Wurth AdaMNLock Nut, Nylon InsertGrade AZinc/Clear1/2-20nut hex nyl/insert ne grade a (zt) 1/2-201,200
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CNBILLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut plate20
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ACFCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 thin height ( nte ) nylon insert locknut z/p rohs compliant500
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ACFCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 ( ne ) nylon insert locknut z/p rohs compliant1000
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Irwin IndOntLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 unf nylon insert locknuts zinc b18.2.2900
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DeltaTXLock Nut, Nylon InsertSteelZinc/Clear1/2-20fin nylon l/n steel nf zinc 1/2-20175
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DeltaTXLock Nut, Nylon InsertGrade 8Plain1/2-20nylon insert l/n gr 8 plain 1/2-2074
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20fin nylon l/n 18-8 sst nf 1/2-20368
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DeltaTXLock Nut, Nylon Insert316, 317, A4 StainlessPlain1/2-20fin nylon l/n 316 sst nf 1/2-20187
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DeltaTXLock Nut, Nylon InsertSteelZinc/Clear1/2-20fin jam nylon l/n steel zinc nf 1/2-20140
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DeltaTXLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20fin jam nylon l/n 18-8 sst nf 1/2-20246
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RCFastAZLock Nut, Nylon InsertSteelPlain1/2-201/2-20 nylon insert l/n stl cad 2 ms21044n830
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RCFastAZLock Nut, Nylon InsertSteelPlain1/2-20self locking nut MS21083B8inquire
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RCFastAZLock Nut, Nylon InsertSteelPlain1/2-20nut MS21044C8inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut stl cr+3inquire
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RCFastAZLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut stl cr+3 (thin pattern)inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert locknut 18-8 304inquire
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RCFastAZLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert locknut 18-8 304 (thin pattern)inquire
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RCFastAZLock Nut, Nylon Insert316, 317, A4 StainlessPlain1/2-20nylon insert locknut stainless 316inquire
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RCFastAZLock Nut, Nylon Insert316, 317, A4 StainlessPlain1/2-20nylon insert locknut stainless 316 (thin pattern)inquire
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RCFastAZLock Nut, Nylon InsertGrade CPhosphate1/2-20nylon insert locknut grc phos & oilinquire
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RCFastAZLock Nut, Nylon InsertGrade CZinc/Yellow1/2-20nylon insert locknut grcinquire
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RCFastAZLock Nut, Nylon InsertGrade CPlain1/2-20nylon insert locknut grc stlinquire
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AIHAZLock Nut, Nylon InsertSteelPlain1/2-20hex nut self locking MS21083N87
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HBBOLTCALock Nut, Nylon InsertSteelPlain1/2-20thin nylock nut3,022
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HBBOLTCALock Nut, Nylon InsertSteelZinc/Clear1/2-20nylock nut338
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HBBOLTCALock Nut, Nylon InsertGrade 8Zinc/Clear1/2-20nylock nut281
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HBBOLTCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylock nut 18-8 ss290
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AFPILLock Nut, Nylon InsertSteelZinc/Clear1/2-20nte nylon insert locknut555
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MidStatesMILock Nut, Nylon InsertSteelPlain1/2-20nut ms21083-n879
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MidStatesMILock Nut, Nylon InsertSteelPlain1/2-20hvy nyloc-insert l/n252
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SISAZLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert lock nut75
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SISAZLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert lock nut200
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WSBKYLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nut hex nyl ins nte (18-8) 1/2-20 b18.2.21,010
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LibertyILLock Nut, Nylon InsertGrade 5Plain1/2-20ne nylon insert stop nut nut165
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LibertyILLock Nut, Nylon Insert316, 317, A4 StainlessPlain1/2-20ne nylon insert stop nut 316ss nut 316ss90
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LibertyILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20ne nylon insert stop nut 18-8ss nut 18-8ss285
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LibertyILLock Nut, Nylon InsertSteelZinc/Clear1/2-20nte thin nylon insert locknut rohs1,203
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LibertyILLock Nut, Nylon InsertSteelZinc/Clear1/2-20ne nylon insert stop nut nut1,695
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LibertyILLock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-20ne nylon insert stop nut rohs compliant360
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MMFMILock Nut, Nylon InsertSteelCadmium/Yellow1/2-201/2-20 stl/cad nylon insert locknut ms21044n8 usa ms21044n8 b18.2.21500
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HewesNYLock Nut, Nylon InsertSteelZinc/Clear1/2-20fin elastic nut pl7908
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GUIDONNJLock Nut, Nylon InsertGrade CZinc/Yellow1/2-20NE SERIES990
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MFSKSLock Nut, Nylon InsertSteelZinc/Yellow1/2-20nylon insert locknut42
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MFSKSLock Nut, Nylon InsertSteelZinc/Clear1/2-20thin nylon insert locknut21
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XL ScrewGALock Nut, Nylon InsertSteelZinc/Clear1/2-20 x 3/4 x 19/32white insert lock nuts zp1,000
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XL ScrewGALock Nut, Nylon InsertSteelZinc/Clear1/2-20 x 3/4 x 5/16white insert lock nuts zp2,000
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MasFasCorpNVLock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert l/ninquire
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MTPCALock Nut, Nylon InsertSteelPlain1/2-201/2-20 ne st/zn nyl/in locknuts a bb 50 fb 100 qk 5002,006
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MTPCALock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nte-stl zn nyl/in locknuts (low profile)640
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MTPCALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-201/2-20 ne gr.8 y/zn nyl/in locknuts399
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MTPCALock Nut, Nylon InsertGrade 8Plain1/2-201/2-20 ne stl gr.8 plain nyl/in locknuts a bb 200 fb 1000 qk 5000114
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MTPCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Aluminum zinc flake (Dacromet, Magnigard, Doerken)1/2-201/2-20 ne 18-8 s.s nyl/in locknuts a bb 100 fb 500 qk 2500stock
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CONTAERONJLock Nut, Nylon InsertSteelPlain1/2-20std93540
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CONTAERONJLock Nut, Nylon InsertGrade 8Zinc/Clear1/2-20thin nte1,185
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CONTAERONJLock Nut, Nylon InsertSteelNickel1/2-20thin nte481
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CONTAERONJLock Nut, Nylon InsertSteelZinc/Clear1/2-20std48,994
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CONTAERONJLock Nut, Nylon InsertSteelPlain1/2-20thin nte22100
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CONTAERONJLock Nut, Nylon InsertSteelPlain1/2-20thin nte black insert953
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CONTAERONJLock Nut, Nylon InsertSteelZinc/Clear1/2-20std25
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CONTAERONJLock Nut, Nylon InsertGrade 5Plain1/2-20std15,000
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CONTAERONJLock Nut, Nylon InsertGrade 8Zinc/Clear1/2-20std dbl notch30
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CONTAERONJLock Nut, Nylon InsertSteelZinc/Clear1/2-20thin nte27
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CONTAERONJLock Nut, Nylon InsertSteelZinc/Clear1/2-20heavy thin ntu11436
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CONTAERONJLock Nut, Nylon InsertGrade 5Zinc/Clear1/2-20thin black cover/cap gr. 52876
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CONTAERONJLock Nut, Nylon InsertGrade 8Plain1/2-20thin nte7,940
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CONTAERONJLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20std s/s10
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CONTAERONJLock Nut, Nylon InsertSteelCadmium1/2-201/2-20 std /30250
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CONTAERONJLock Nut, Nylon InsertSteelCadmium1/2-20thin nte /320
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GLFOHLock Nut, Nylon InsertSteelZinc/Clear1/2-20fin hex nyl ins lock nut stl zc1900
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GLFOHLock Nut, Nylon InsertSteelPlain1/2-201/2-20 (3/4x19/32) hex/nylon-insert lo MS21044-N8297
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GLFOHLock Nut, Nylon InsertSteelPlain1/2-20lock nut MS21044-C8222
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Kanebridge ILLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-201/2-20 ne nylon insert hex lock nut 18-8 stainless steel5,000
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 ne nylon insert hex lock nut zinc7.500
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Clear1/2-201/2-20 nte thin pattern nylon insert hex lock nut zinc20,000
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Kanebridge ILLock Nut, Nylon InsertSteelZinc/Yellow1/2-201/2-20 nte thin pattern nylon insert hex lock nut fine thread zinc yellow20,000
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KomarILLock Nut, Nylon InsertSteelZinc/Clear1/2-20hvy ins l/n nu1,000
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KomarARLock Nut, Nylon InsertGrade 8Zinc/Clear1/2-20nylon insert l/n ne50
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KomarTNLock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-20nylon insert l/n ne gr 850
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AztechILLock Nut, Nylon InsertSteelPlain1/2-20nylon ins (n1610980
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AztechILLock Nut, Nylon InsertSteelPlain1/2-20nylon insert552
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AccutiteCALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20thin pattern nylon insert l/n 18-8 30425
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AccutiteCALock Nut, Nylon InsertSteelZinc/Clear1/2-20thin pattern nylon insert lock nut1415
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AccutiteCALock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert locknut stl810
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Mid-ValleyCALock Nut, Nylon InsertSteelPlain1/2-20lock nut nylon insert b18.2.2inquire
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Alma BoltMILock Nut, Nylon InsertSteelPlain1/2-201/2-20 sae (nte series) nylon insert jam nut b18.2.21264
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Alma BoltMILock Nut, Nylon Insert316, 317, A4 StainlessPlain1/2-20SAE 316 st st nylon insert locknut2224
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LightningLALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert lock nut ne 18-8 ss fine thread317
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LightningLALock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-20gr8 nylon locknuts unf /yel548
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LightningLALock Nut, Nylon InsertSteelZinc/Clear1/2-20nylon insert nut ne fine550
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SeattleNBWALock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nf jam nylon insert locknut 18-8 ss204
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AALLNJLock Nut, Nylon Insert300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/2-20nylon insert lock nut, 18-8 30415
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AALLNJLock Nut, Nylon InsertGrade 8Zinc/Yellow1/2-20nylon insert lock nut,86
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