DIN 6331 Hex Flange Nut, Hex Collar Nut, height = 1.5 x diam. by Material, Finish and Size

Non-Locking Flange Nuts are hex nut with an enlarged circular base (or flange) flaring out from the bottom of the nut, which acts as an integrated, non-spinning washer. Since the tightening torque is distributed over a larger area, there is less chance of deformation.

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DIN 6331 by Metric Sizes

are available on the FCH Network with metric diameters that range from M6 to M30

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Metric Diameters
DIN 6331 by Materials

DIN 6331 are available on the FCH Network in materials that range from Steel to 316, 317, A4 Stainless.

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DIN 6331 by Coatings/Finishes

DIN 6331 are available on the FCH Network in finishes or coatings that range from Plain to Zinc/Clear.

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