1/4-28 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/Clear1/4-281/4-28 serrated flange nut zinc pltd371
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ManscoMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28serr flange nut hard & triv znc888
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METRO INDOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/4-28serrated flange nut sae3051
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-281/4-28 s.s serrated flange nutstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 steel zn serreted flange lock nuts4,000
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SWACOOHLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-281/4-28 hex flange nut w/serrations 18-8s3000
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RCFastAZLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28hex serrated flange nut stl2500
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 steel zn serreted flange lock nuts4,000
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 steel zn serreted flange lock nuts4,000
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SIIINLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 zinc plated serrated flange lock nut) b18.2.24600
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ASMCILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28fine hex flange nut with serration case hardened low carb zp3,250
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B & K FASTPALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 serrated flange nuts zinc b18.2.2758
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HBBOLTCALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28hex serratd flange nut case hrd620
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OBRIENOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28serrated hex flange nut1000
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WMTSMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/4-281/4-28 serr. flange nut z nf b18.2.24,592
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear1/4-281/4-28 gr.2-serr zn flange nutsstock
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XL ScrewGALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28serrated flange nuts case hard zp5,000
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)Grade 2Zinc/Clear1/4-281/4-28 gr.2-serr zn flange nutsstock
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MTPCALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-281/4-28 s.s serrated flange nutsstock
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CONTAERONJLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28serrated flange (hard) &50,000
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GLFOHLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28serr hex flg nut stl zc500
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Kanebridge ILLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 serrated flange hex lock nuts case hardened hr15n 78/90 zinc and bake50,000
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All SizeTXLock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-281/4-28 serrated flange nut s/s b18.2.250
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Valley NuWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Black1/4-28nf serrated flange lock nut zb161
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Alma BoltMILock Nut, Flange, w serr. (Whiz-Lock etc.)SteelPlain1/4-28SAE spin lock nut5218
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)300 Stainless (A1,A2, 18-8,304,310 etc.)Plain1/4-28whiz nut 18-8 ss501
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WeaverWALock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-28whiz nut3536
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R&SORLock Nut, Flange, w serr. (Whiz-Lock etc.)SteelZinc/Clear1/4-281/4-28 flange nut zinc serrated1188
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