How pounds is this anchor rated for?

Hi! Thanks for your question. Up to 55lb per single plug.

Will these work on thin paneling such as hollow doors or RV walls?

I’m not sure. They are pretty deep (over 1 inch) and not sure if they would compress enough to hold securely on thin panel. For that purpose I would use another style mollie that is made to compress with greater rear support.

Can these be used with # 6 screws?

Hello, thanks for the question. #6 screw would run small for the 5/16", we recommend #8-#12 for this plug size.

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fischer DuoPower Universal Wall Anchors for Fastenings in Concrete, Brick, Drywall and Wood, (100, Old, 3/16" x 1") (50, 5/16" x 1 5/8", Old Version)

fischer DuoPower Universal Wall Anchors for Fastenings in Concrete, Brick, Drywall and Wood, (100, Old, 3/16" x 1") (50, 5/16" x 1 5/8", Old Version)

Product ID: 237865730

Details

Brand
fischer
Color
Old
Item dimensions L x W x H
2 x 2 x 2
Material
Nylon
Size
5/16" x 1 5/8"

⚡Top load transfer for max holding power

🔧3-in-1 folding, expanding & knotting tech

🧱Auto-adjusts to concrete, brick, drywall & wood

Description

🔩 Lock it down with fischer DuoPower — the smart anchor that never quits!

TRIPLE ACTION DESIGN - Folds, expands, and knots for ultimate stability
ADAPTIVE GRIP MASTERY - Self-adjusts to any substrate for unbeatable hold
EFFORTLESS INSTALLATION - Anti-rotation and narrow rim prevent slipping & speed up fixing
TRUSTED INDUSTRY LEADER - fischer’s 60+ years of innovation powering your projects
PREMIUM DUAL COMPONENT BUILD - High-quality nylon parts ensure durability and max grip

The fischer DuoPower Universal Wall Anchors feature an intelligent, self-adjusting design that automatically adapts to solid, hollow, and panel building materials through folding, expanding, and knotting functions. Made from premium dual-component nylon, these anchors deliver superior load transfer and secure fastening in concrete, brick, drywall, and wood. With anti-rotation features and a narrow rim to prevent slipping, they ensure fast, reliable installation. Trusted by professionals and DIYers alike, fischer DuoPower anchors combine innovation and durability for versatile, high-performance fixing solutions.

Specifications

ASIN	B08H3V6CHW
Best Sellers Rank	#232,377 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #310 in Drywall Anchors
Brand	fischer
Color	Old
Compatible Groove Diameter	0.31 inches
Customer Reviews	4.5 out of 5 stars 338 Reviews
Fastener Type	Bolt, Hollow, Solid
Finish Types	Plastic
Grade Rating	industrial
Item Diameter	0.3 inches
Item Dimensions	2 x 2 x 2 inches
Item Shape	Pan
Item dimensions L x W x H	2 x 2 x 2 inches
Manufacturer	fischer
Material	Nylon
Material Type	Nylon
Model	548576
Number Of Items	50
Number of Pieces	50
Outside Diameter	0.31 inches
Part Number	548576
Screw Head Style	Pan
Set Name	Old Version
Size	5/16" x 1 5/8"
Size Name	5/16" x 1 5/8"
Thread Size	5/16"
Unit Count	100 Count

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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