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clips

Clamp or plate tops are used as fastenings without anti-slip protection. Fastening tops with vertical bars (safety clamps) are used to prevent movement in the direction of the support bar and can be used with welded, pressed and plug-in gratings. Plate tops can have anti-slip elements on the surface. The use of stainless steel fastenings has proven to be effective for plastic gratings due to their use in frequently aggressive environmental conditions. For steel fastenings, hot-dip galvanizing, electrogalvanizing or the use of Sendzimir galvanized material offers protection against corrosion.

Frequently asked questions

What is an upper clamp?

The part that engages the mesh of the grating from above and pulls it against the bearer. It is commonly called a grating clip or retaining clip. Together with the lower clamp, screw and nut it forms the complete clamp fastening.

What is the difference between a clip-type and a plate-type upper part?

The clip-type part is narrow and engages the mesh. The plate-type part has a wider bearing surface and distributes the clamping force; it may additionally carry anti-slip elements on its surface.

What is the vertical web on an upper part for?

It secures against shifting along the bearing bar direction – such upper parts are called safety clips and are intended for areas with a risk of falling. Applicable to welded, pressed and press-locked gratings.

What corrosion protection do the upper parts have?

For steel: hot-dip galvanizing, electroplating or Sendzimir-galvanized material. Stainless steel has proven itself for plastic gratings and frequently aggressive ambient conditions.