5/8 Serrated Flange Lock Nuts

Serrated Flange Lock Nuts, or Whiz-Lock® nuts, have a wide flange at one end that is serrated on the under side. On tightening, the serrations bite into the mating surface providing the locking feature.

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SupplierLocTypeMaterialFinishSizeDescriptionQty 
YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 serrated flange locknut case hardened steel zinc plated49
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated flange lock nut139
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear5/8-11large serr flange nut gr5 hard & znc 50/box60
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 top lock flange nut w/no serrations520
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CertifiedILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain5/8-115/8-11 serrated hex flange lock nut/hardened-zps. b18.2.262
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TSFTXLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Phosphate5/8-11flange nut serrated thru-hardened carbon steel gr 8 phos & oil 5/8-1175
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TSFTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11hex flange nut serrated steel case hard zinc plated 5/8-11124
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MESAFASTCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow5/8-11serrated flange hex nut gr8 zinc24.0
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MESAFASTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-18serrated flange nut case hardened case hardened20.0
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BHAMALLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear5/8-11flange nut serr gr5 zn190
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METRO INDOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain5/8-11serrated flange nut uss620
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 steel zn serreted flange lock nutsstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 steel zn serreted flange lock nutsstock
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ACCURATEILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serr. hex flange locknut and bake274
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Cal FastenrsCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelCadmium/Yellow5/8-11whiz flange nut cadmium ii wiz lock2,450
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RCFastAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11hex flange nut serrated stl cr+3inquire
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RCFastAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-18hex flange nut serrated stl cr+3inquire
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CenturyFLLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 serrated flange nut stl zinc153
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TrinityIALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8 - 11 hex flange lock nut serrated steel case hdnd znclr124
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TrinityIALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow5/8-115/8 - 11 hex flange lock nut serrated sae gr 8 j995 znyel309
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TrinityIALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Clear5/8-115/8 - 11 hex flange lock nut serrated sae gr 8 j995 znpo6181
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TrinityIALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Yellow5/8-115/8 - 11 hex flange lock nut serrated spcl gr5 j995 carburized znyel15187
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 steel zn serreted flange lock nutsstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 steel zn serreted flange lock nutsstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 steel zn serreted flange lock nutsstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 steel zn serreted flange lock nutsstock
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ASFCORPMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 full hgt serr hex flange lk nut stl case hard tri zn fe/zn 5an pkg50
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ASFCORPMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 full hgt serr hex flange lk nut stl case hard tri zn fe/zn 5an pkg50
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 zinc finish case hardened serrated flange nut b18.2.2475
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ASMCILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-18fine hex flange nut with serration case hardened low carb zp275
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ASMCILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11coarse hex flange nut with serration case hardened low carb zp289
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B & K FASTPALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 serrated flange nuts zinc b18.2.2312
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HBBOLTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11hex serratd flange nut case hrd497
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OBRIENOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serr. flange locknut62
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WMTSMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 serr. flange nut z b18.2.232
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear5/8-115/8-11 gr.2-serr zn flange nutsstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear5/8-185/8-18 gr.2-serr zn flange nutsstock
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-18hex flange nut w/serrations plate w/serrations plate300
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated flange nut zinc25
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated large flange nut75
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Future FastenerTXLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 serrated flange lock nut plt399
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Future FastenerTXLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain5/8-115/8-11 grade 8 serrated flanged hex nut plain black80
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GUIDONNJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11CASE HARDENED918
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XL ScrewGALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated flange nuts case hard zp500
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RevcarVALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11hex serr flange nut166,150
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RevcarVALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Clear5/8-11flange nylon insert l/n 96 hr salt spray Cr3+ to white rust w/super seal31,531
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MasFasCorpNVLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated hex flange nutinquire
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear5/8-185/8-18 gr.2-serr zn flange nutsstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear5/8-115/8-11 gr.2-serr zn flange nutsstock
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated flange (hard) &5,900
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Yellow5/8-11serrated flange lock nut /ylw3088
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Yellow5/8-11serrated flange lock nut /ylw12753
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated flange (hard) lock nut & triv33599
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CNBILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated hex flang nut147
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/85/8 nc serrated whiz flange locknut1198
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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 nf serrated whiz flange locknut906
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide5/8-115/8-11 serrated flange hex lock nuts case hardened hr15n 78/90 black oxide3.750
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 serrated flange hex lock nuts case hardened hr15n 78/90 zinc and bake3.750
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 serrated flange hex lock nuts case hardened hr15n 78/90 zinc and bake3.750
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 serrated large flange hex lock nuts case hardened hr15n 78/90 zinc and bake3.750
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Zinc/Yellow5/8-115/8-11 serrated flange hex lock nuts grade 8 zinc yellow3.750
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FastWareSaskLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Yellow5/8-18nf serrated flange lock nut25,800Contact_Supplier
KomarTNLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Phosphate5/8-11hex flange toplock nut gr g phos&oil480
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EndriesWILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serr flng l/n zc case hard56616
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain5/8-11reg serr flange1,204
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain5/8-11reg serr flange35
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain5/8-11reg serr flange5
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WurthINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-115/8-11 serrated hex flange nut case hard zinc2,971
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Valley NuWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black5/8-11nc serrated flange lock nut zb38
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WDMBIALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-18serr flg ln hard3405
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TimberlineCOLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serr hx flg nut zn 5/8-111325
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Valley NuWALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 8Plain5/8-11nc gr8 serrated flange nut pl10
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Alma BoltMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain5/8-18SAE spin lock nut399
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SRFALLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11flange nut with serrations10
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Bolts PlusOntLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-11serrated flange nut1068
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