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Round head screw with square neck
Round head screw with square neck - 1 Round head screw with square neck - 2
Round head screw with square neck - 1
Round head screw with square neck - 2

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Round head screw with square neck

DIN 603, zinc-plated steel 8.8, thick-film passivated (VZD)

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The flat square neck fixes the round head screw e.g. in a slot and allows tightening from the nut side without counter-tensioning.



Connection elements with zinc-plated chromium(VI)-free zinc thick-film passivation (VZD) offer a future-proof alternative to surfaces containing chromium(VI). The coating consists of a zinc layer with passivation on a chromium (III) basis.



Overview of advantages:



  • Chrome(VI)-free alternative to A2C or A3C

  • Thermal capacity up to 120°C

  • Even coating distribution