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Dromet PSRe M20×170/23 ring expansion anchor, galvanised, for concrete
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Description
Dromet PSRe M20×170/23 ring expansion anchor, galvanised, for concrete
The PSRe 20×170/23 ring anchor by Dromet is a robust expansion fastener of ring construction, designed for the permanent fixing of mounting profiles, metal structures, grilles, railings, machines and other structural elements and building fittings. Thanks to its M20 thread and total length of 170 mm, it provides high load capacity for demanding applications — including the installation of heavy support structures for photovoltaic systems.
The anchor is designed for installation in non-cracked concrete of at least class B20, dense-structure natural stone and solid brick. It holds a European Technical Approval ETA 05/0242, CE certificate and national Technical Approval AT-15-7574/2008, confirming compliance with the highest safety and load-bearing standards.
Technical parameters
- Design type: ring, with nut and washer
- Thread: M20
- Total length (L): 170 mm
- Anchoring depth (F): 135 mm
- Fixed element thickness (E): 23 mm
- Hole depth (D): 206 mm
- Drilling diameter: ø20 mm
- Material: structural steel
- Corrosion protection: electro-galvanised
- Weight: 0.43 kg
- EAN: 5902706889949
- Manufacturer: Dromet
Markings on the cross-sectional drawing:
- M — anchor thread diameter
- E — thickness of the fixed element (protruding part)
- F — anchoring depth in the substrate
- L — total anchor length
- D — installation hole depth
- H — hole diameter in the substrate
Installation recommendations
- The installation hole should be drilled perpendicular to the substrate surface and thoroughly cleaned of dust
- The fastener should be inserted with light hammer taps
- Installation should be carried out using a torque wrench
- After the fastener has expanded, the washer under the nut should be firmly pressed against the fixed element
- The parameters specified in the Technical Approval AT-15-7574/2008 must not be exceeded
Certificates and approvals
- European Technical Approval: ETA 05/0242
- Certificate: CE
- National Technical Approval: AT-15-7574/2008
The PSRe ring anchor from Dromet is a proven and certified expansion fastener that provides professional installation teams with reliable and durable fixing in concrete and stone substrates. Complete delivery with nut and washer allows installation to begin immediately, without the need to order additional accessories.