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Fischer Duopower Wall Plugs 8x40 Box of 100

Fischer  |  SKU: 535455  |  Barcode: 4048962239850
£8.99
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The fischer DuoPower 8 x 40 is a universal wall plug designed for tradespeople, DIYers, and installers who need a reliable fixing solution across multiple building materials. Thanks to its intelligent 2-component design, it automatically adapts to the substrate - expanding, folding, or knotting depending on the wall type. That means fewer plug types to carry, faster installs, and secure load-bearing performance whether you’re working with concrete, brick, plasterboard, or aerated concrete

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From guesswork to one plug for all materials
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From weak holds to secure, load-tested fixings
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From wasted time to faster, confident installations

If you’ve ever stood in front of a wall wondering which plug to use, the Fischer DuoPower Wall Plug takes the uncertainty out of the job. 

Its dual-material construction combines a rigid grey nylon body with flexible red expansion wings. Together, they intelligently adapt to the base material: expanding in solid brick, folding in hollow blocks, or knotting in plasterboard.

The result? A single plug that works almost everywhere, giving you strong, vibration-resistant fixings without carrying multiple product types. The 8 x 40 size is especially versatile for medium-duty applications like shelving, brackets, lighting, bathroom fittings, and electrical installations.

With a load capacity of up to 110 kg in concrete and 62 kg in solid brick, the DuoPower 8 x 40 provides peace of mind for both professional trades and serious DIY projects. The narrow plug rim prevents slipping into the drill hole, while anti-rotation serrations keep it firmly in place during screw insertion.

Whether you’re fitting kitchen cabinets, mounting radiators, or securing fixtures in mixed substrates, this plug delivers consistent results and reduces call-backs.

Technical Specs

  • Product: fischer DuoPower 8 x 40

  • Drill diameter: 8 mm

  • Anchor length: 40 mm

  • Min. drill hole depth: 50 mm

  • Min. panel thickness: 12.5 mm

  • Screw compatibility: 4.5 – 6.0 mm wood or chipboard screws

  • Load capacity:

    • Concrete: up to 110 kg

    • Solid brick: up to 62 kg

    • Hollow brick: up to 25 kg

    • Aerated concrete: up to 10 kg

    • Plasterboard (12.5 mm): up to 15 kg

  • Packaging: 100 pcs (folding box)

Product Details

  • Key Features

  • Whats in the box?

    100 x Fischer Duopower Wall Plugs 8x40

  • Fischer DuoPower 8x40 packaging on a white background

    Fischer Duopower Wall Plugs 8x40 Box of 100

Frequently Asked Questions

Can I use these plugs in plasterboard walls?

Yes. The DuoPower adapts by knotting inside plasterboard, giving a secure hold.

What screw size should I use?

Use wood or chipboard screws between 4.5 – 6.0 mm in diameter.

Do I need different plugs for brick and concrete?

No. The DuoPower automatically adjusts to the substrate, so one plug works across multiple materials.