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Serrated Flange Lock Nuts, Class 12.9 (ISO 4161)

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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Buy Serrated Flange Lock Nuts from one of our FCH Network Members
SupplierLocTypeMaterialFinishSizeDescriptionQty 
EurolinkSCLock Nut, Flange, w serr. (Whiz-Lock etc.)Class 12.9PlainM12m12 iso 4161 cl.12 plain finish hex flange nut (non-serrated)inquire
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