Direct Assembly Screws

ecosyn® MRX Self-Cutting Screws for Metal

These self-cutting screws for metal provide a quick and easy one-step assembly – without the need for drilling a pilot hole. Thanks to their heat treatment, ecosyn® MRX screws are highly corrosion resistant.

An ecosyn MRX self-cutting screw for metal on light grey background with the ecosyn logo in the top right corner.
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ecosyn® MRX self-cutting screws are made of martensitic, hardened and tempered chromium steel with high corrosion resistance (comparable to A2 grade stainless steel). In addition to aluminum, they can also be used to drill through sheet steel and rust-resistant thin sheet metal.

ecosyn® MRX Screw Details

Advantages of Self-Cutting Screws

Stamped drill points: safe and secure drilling without the need for prior centre punching

Self-cutting screws drill their own tapping hole to close tolerances and form their mating thread themselves. The specially formed and stamped drill point prevents any drifting around the surface of the component and allows rapid spot drilling. There’s no longer any need to center punch the drilling point.

Savings of up to 50% are possible compared with conventional tapping screws.

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Stamped drill points: safe and secure drilling without the need for prior centre punching

Application Areas

  • Sheet metal constructions
  • Heating and ventilation ducts
  • White goods
  • Vehicle body construction
  • Window frames and blinds
  • Façade constructions

Features

  • Strength greater than A2 or A4
  • No erosion in the thread, even when using rust-resistant thin sheet steel
  • No surface corrosion
  • High drilling performance
  • Cost-effective and reliable

Please note: When using hardened and tempered martensitic stainless steel in aggressive environments and under certain climatic conditions, stress corrosion cracking is possible.

Download More Information

Thumbnail Self-Cutting Screws Brochure

Self-Cutting Screws Brochure

Learn more about self-cutting screws from Bossard – direct screwing in one step.

1.4 MB | pdf