fischer DuoPower 5/16" x 1-5/8", Powerful Universal Plug with Intelligent 2-Component Technology for fastenings in Concrete, Bricks, Stone, Gypsum plasterboard, etc., 100 Plugs Without Screws

Q: What is the drill size?

Hi! Thanks for the question. Drill bit size is 5/16" for #10 plug, and you can use screw size 8 - 12.

Q: Two quest: what screw do i need, i want the rounded phillips head or a flat head only. also i assume the anchor hole is 5/16?

Hi! Yes, correct, for DuoPower #10, the drill bit size should be 5/16" and you can actually use the screw head you prefer depending on your application. This is more driven by the object you need to attach.

Q: What is the weight max these will hold?

It depends what you install those anchors into!!! Your question is equivalent to “ how much is a car?” $15k-5 mil.

Q: Is this good for lath and plaster walls

Hello! Thanks for the question. plaster wall, aka drywalls, yes, definitely. On lath could be a little loose and therefore we have no recommended loads published, although it has been used.

4.5/5

Product ID: 591427840

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Details

Size
8 - 12
Colour
Red Grey
Material
Nylon
Brand
fischer
Item dimensions L x W x H
41 x 8 x 41

🧱Dual-material tech for max grip

⏱️Quick, slip-free installation

⚙️Self-adjusts to solid & hollow walls

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Description

🧰 Fix it once, fix it right — the smart plug for every wall!

BULK READY - 100 plugs per pack to power through all your projects without running out.
FEEL GOOD FEEDBACK - Tactile confirmation lets you know the anchor is perfectly seated—no guesswork needed.
ADAPTIVE GRIP MASTERY - Intelligent 2-component design auto-adjusts for concrete, brick, stone, and drywall.
PRECISION INSTALLATION - Narrow rim prevents plug from slipping deep, ensuring fast and secure fixing every time.
UNIVERSAL COMPATIBILITY - Works flawlessly in solid, hollow, and panel materials with folding, expanding, and knotting action.

The fischer DuoPower 5/16" x 1-5/8" is an award-winning universal plug featuring innovative 2-component technology that self-adjusts to various building materials. Designed for fast, secure installation in concrete, brick, stone, and drywall, it offers superior holding power with tactile feedback and anti-rotation features. Supplied in a convenient 100-pack, it’s the go-to solution for professionals and DIYers seeking reliable, versatile anchoring.