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.

Diameters

are available on the FCH Network with Imperial/US diameters that range from #1 to 6 and with Metric diameters that range from M3 to M20. The length of is usually measured from the point to the underside of the head.

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Finishes

are available on the FCH Network in finishes or coatings that range from Plain to Phosphate

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