SQUARE NUTS (DIN 557)

It is a nut with four sides and offers a great surface area in order to fasten bolts and screws into the unthreaded holes. These nuts are equipped with a metric thread and thus, they can be used for multifarious purposes. They are properly placed inside the metal channel in order to prevent any backing off.

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Square nuts DIN 557 Size Chart

DiameterPitchmmwse max.dw min.
M50.80mm4.0mm2.5mm8mm11.3mm6.7mm
M61.0mm5.0mm3.2mm10mm14.1mm8.7mm
M81.25mm6.5mm4.1mm13mm18.4mm11.5mm
M101.50mm8.0mm5.2mm17mm22.6mm14.5mm
M121.75mm10.0mm6.6mm19mm25.4mm16.5mm
M162.00mm13.0mm8.6mm24mm33.9mm22.0mm

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