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Dromet – PSRe M8x155/85 galvanised ring expansion anchor
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Description
Dromet – PSRe M8x155/85 galvanised ring expansion anchor
The PSRe M8x155/85 ring expansion anchor by Dromet is a reliable mechanical fastening component designed for permanent anchoring of structures in concrete substrates. It performs well wherever a secure and certified connection is required — from installing profiles and support structures for photovoltaic systems, through fixing gratings, balustrades and handrails, to anchoring machinery and equipment in industrial facilities.
Construction and material
The anchor has a ring-shaped construction — once the nut is tightened with a torque wrench, the cone expands the rings, ensuring strong pressure against the hole wall. The set includes an M8 nut and a washer. The fastener is made of structural steel with anti-corrosion protection in the form of electrolytic zinc, guaranteeing durability under typical construction site conditions.
Certificates and approvals
The anchor holds a European Technical Approval ETA 05/0242 and a CE certificate, and is also covered by the national approval AT-15-7574/2008. This means it can be used in projects requiring documented load capacity and compliance with standards — particularly important for photovoltaic installations and steel structures subject to technical acceptance inspections.
Approved installation substrates
- Uncracked concrete of at least class B20 (C16/20)
- Natural stone with a dense structure
- Solid brick
Technical parameters
- Designation: PSRe 8x155/85
- Thread: M8
- Drilling diameter (fi): 8 mm
- Total length (L): 155 mm
- Thickness of fixed element (E): 65 mm
- Anchorage depth (F): 85 mm
- Hole depth (D): 100 mm
- Material: structural steel, electrolytic zinc coating
- Construction: ring type with nut and washer
- Weight: 0.055 kg
- EAN: 5907518697300
- Manufacturer: Dromet
Installation recommendations
The mounting hole should be drilled perpendicular to the surface of the substrate, and then thoroughly cleaned of drilling dust. The fastener should be able to be inserted into the hole with light hammer taps. Installation should be carried out 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 distances are given in the Technical Approval AT-15-7574/2008 — the parameters specified therein must not be exceeded.
Thanks to its compact dimensions, low weight and full certification, the Dromet PSRe M8x155/85 anchor is an economical and proven solution for professional installation teams carrying out both PV installations and general construction anchoring work.