5/8-18 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.

15 results, (click on any line for more information)

Buy Serrated Flange Lock Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
MESAFASTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-18serrated flange nut case hardened case hardened20.0
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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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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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General FMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 serr hex flange nut zn bake b18.2.23,560
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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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JacksonMSLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear5/8-185/8-18 nf serrated whiz flange locknut875
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FastWareSaskLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Yellow5/8-18nf serrated flange lock nut25,800
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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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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/Clear5/8-185/8-18 steel zn serreted flange lock 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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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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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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Alma BoltMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain5/8-18SAE spin lock nut399
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