Metric Flange Nuts
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Fasteners Etc., Inc. offers metric flange nuts that are designed with six sides and a hollow center with internal threading allowing it to fit with an externally threaded shaft. A metric flange nut has an extra wide flange or collar incorporated into the design. The flange acts like a built-in washer to help distribute the pressure of the connection. Offering metric flange nuts in both serrated and non-serrated. A flange nut that has a serrated underside is helpful to grip the material with the teeth and further strengthen the connection. Some applications require non-serrated flange nuts to protect the base material that have concern of damage from the teeth.