Dromet PSRe M6x100/42 galvanised ring expansion anchor for concrete
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Description
Dromet PSRe M6x100/42 galvanised ring expansion anchor for concrete

The PSRe M6x100/42 ring anchor by Dromet is a proven solution for the durable fixing of profiles, metal structures, gratings, handrails, machinery and other building fittings. The ring design with nut and washer ensures reliable expansion within the mounting hole and even pressure of the fixed element against the substrate.
The anchor is designed for use in substrates made of non-cracked concrete of at least class B20, natural stone with a compact structure, and solid brick. Thanks to ETA 05/0242 certification, CE marking and national approval AT-15-7574/2008, the product meets the highest quality requirements and can be used in structurally demanding connections.
Technical parameters
- Manufacturer: Dromet
- Type: ring (with nut and washer)
- Thread: M6
- Overall length (L): 100 mm
- Drilling diameter (fi): 6 mm
- Anchoring depth (F): 55 mm
- Thickness of the fixed element (E): 42 mm
- Hole depth (D): 100 mm
- Material: structural steel
- Corrosion protection: electrolytic galvanising
- Weight: 0.02 kg
- EAN: 5907518682825
- Sales unit: pcs
Certificates and approvals
- European Technical Approval: ETA 05/0242
- Certificate: CE
- National Technical Approval: AT-15-7574/2008

Installation diagram and dimensions
The cross-section drawing illustrates how the anchor is set into the concrete substrate. The markings on the diagram correspond to the following parameters:
- M – thread diameter
- E – thickness of the fixed element (protrusion above the substrate)
- F – anchoring depth in the substrate
- L – overall length of the anchor
- D – depth of the mounting hole
- H – diameter of the hole in the substrate
Installation recommendations
The mounting hole should be drilled perpendicular to the substrate surface, then thoroughly cleaned of dust and drilling debris. The fastener should be able to be inserted into the hole with light hammer taps. The nut should be tightened using a torque wrench — after the anchor has expanded, the washer under the nut must be firmly pressed against the fixed element. All permissible loads and installation parameters are given in the Technical Approval AT-15-7574/2008 — the values specified therein must not be exceeded.
Applications
- Fixing of profiles and metal structures
- Installation of gratings, handrails and balustrades
- Anchoring of machinery and equipment
- Fixing of support structures for photovoltaic installations
- Durable fastening of building fittings