Fischer 538240 - Duopower 6 x 50, Red/Gray

Fischer 538240 - Duopower 6 x 50, Red/Gray

Q: What is the weight capacity of these plugs ?

I used these plugs on a mirror weighing in excess of 20kilos, 2 plugs at 400mm apart, but the wall was really solid though.they are also holding up kitchen cabinets. In a solid wall it's a great anchor. Note: try not to use hammer drilling to do thé holes for the plugs. If you get a drill bit that can do masonry holes without the hammer action it holes way better, if not, use a drill bit 1mm smaller. Once that screw goes in, it takes a lot to come out.

Q: are these suitable for plasterboard cavity wall

Depends on what you need to mount on the wall and the space between the plasterboard and the wall/ studwork the plasterboard is affixed to. I use these for fairly heavy items (large mirrors) on my wall that consists of plasterboard fixed with dot and dab to the wall behind, So with a 15mm board and a 15 to 20mm gap to the wall these are ideal. For lightweight items with a hollow behind the plasterboard use the shorter Duopower. For heavy items on plasterboard with a hollow behind I use the two part metal cavity fixings that use have m4 or m5 threads.

Q: What would be the best screws to use ? ty

It doesn't matter too much. Any regular zinc plated single thread screw will work, including wood screws, self tapping screws or coach screws. It's the size you need to pay attention to, I believe you need either 4mm or 5mm screws. The length would be the "plug length + fixture thickness + 1x the screw diameter", ie 55mm + fixture thickness.

Q: Are these the right size for 6mm x 50mm coach screws? It's confusing - not sure if you match the size to size of screws or if it is different.

The 6mm x 50mm refers to the drill hole size. I would recommend a 8mm drill hole for a 6mm screw. Fischer do a 8mm x 50/60mm duopwer plug. Hope this helps.

Product ID: 52164455

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🔩6mm precision fit

🧩Dual-material tech

🛠️Universal solid & hollow use

Frequently Bought Together

Fischer 538240 - Duopower 6 x 50, Red/Gray

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Description

🔧 Secure your space with Fischer’s Duopower – where strength meets precision!

ANTI SLIP EDGE - Narrow plug edge stops it from slipping too deep during installation
TACTILE FEEDBACK - Feel the perfect anchor seating for confident, secure fixing
DUAL MATERIAL DESIGN - Combines expansion and folding tech for unmatched grip
PRECISION 6 MM DIAMETER - Engineered for a flawless, snug fit every time
VERSATILE COMPATIBILITY - Optimized for solid, hollow, and panel materials with the right screw

The Fischer 538240 Duopower 6 x 50 plug features a dual-material design that ensures superior anchoring in both solid and hollow building materials. Its 6mm diameter and narrow edge prevent over-insertion, while providing tactile feedback for perfect installation. Ideal for professional-grade, reliable fixing with compatible screws.

Specifications

Manufacturer	fischer
Part Number	538240
Item model number	538240
Size	Ohne Schraube
Colour	Red/Gray
Style	Single
Power Source	Hand-operated
Item Package Quantity	1
Number of Pieces	1
Cutting Diameter	6 Millimetres
Measurement System	Metric
Included Components	100 Plugs
Batteries included?	No
Batteries Required?	No
Assembled Diameter	6 Millimetres
Item Weight	140 g