3/8-24 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 
METRO INDOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain3/8-24serrated flange nut sae581
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TSFTXLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain3/8-24flange nut serrated stainless steel 3/8-2470
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YANKEENHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-243/8-24 serrated flange nut zinc pltd561
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24serr flange nut hard & triv znc793
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CertifiedILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain3/8-243/8-24 serrated hex flange lock nut/hardened-zps. b18.2.2400
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MESAFASTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24serrated flange nut39.0
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-243/8-24 steel zn serreted flange lock nuts2,000
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RCFastAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24hex flange nut serrated stl cr+3inquire
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-243/8-24 steel zn serreted flange lock nuts2,000
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-243/8-24 steel zn serreted flange lock nuts2,000
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black3/8-24serr flange nut hard & triv blk znc2400
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ASMCILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24fine hex flange nut with serration case hardened low carb zp900
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HBBOLTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24hex serratd flange nut case hrd609
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AFPILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Yellow3/8-24serrated flange nut &1125
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear3/8-243/8-24 gr.2-serr zn flange nutsstock
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LibertyILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24serrated flange nut zinc500
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ISSCOMOLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear3/8-24hex lock nut z/p twin serrated4950
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XL ScrewGALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24serrated flange nuts case hard zp2,000
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear3/8-243/8-24 gr.2-serr zn flange nutsstock
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Zinc/Black3/8-24serr flng gr5 .0003zn/triv dwg 8050
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 5Plain3/8-24serr flange gr5 hex nut2550
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelBlack Oxide3/8-243/8-24 serrated flange hex lock nuts case hardened hr15n 78/90 black oxide25,000
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-243/8-24 serrated flange hex lock nuts case hardened hr15n 78/90 zinc and bake25,000
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain3/8-24spcl serr flange27,300
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AztechILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain3/8-24reg flg w/serr13,000
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Valley NuWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black3/8-24nf serrated flange lock nut zb387
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TimberlineCOLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24whizlok nut zn 3/8-242200
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TimberlineCOLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24whizlok nut zn 3/8-24907
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear3/8-24whiz nut1879
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