How far apart do two of these fixings need to be from each other?

Not sure I understand your question but i'll try to answer. These need a 6mm drill bit (I think) so I would say you'd need at least 12mm between two drill holes and that also depends on what you're drilling. Wood for example versus plaster - Hope that helps ;)

What's the difference between this and the other 8x40?

The 8 refers to a number 8 screw which is wider than a number 6 screw, the 40 refers to the length in mm.

Is 60mm the length of the plug or screw?

I think you will find its the length of the screw, the 8x40 plug is 40mm long and 8mm diameter

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Fischer DuoPower 5 x 25 S, Powerful Universal Plug with Safety Screw, Intelligent 2-Component Technology for fastenings in Concrete, Bricks, Stone, Gypsum plasterboard, etc., 50 Plugs & 50 Screws

Fischer DuoPower 5 x 25 S, Powerful Universal Plug with Safety Screw, Intelligent 2-Component Technology for fastenings in Concrete, Bricks, Stone, Gypsum plasterboard, etc., 50 Plugs & 50 Screws

Product ID: 52164430

Details

Exterior finish
Plain
Head style
Flat
Item dimensions L x W x H
46.7 x 24.6 x
Material
Carbon Steel
Thread size
3.5 x 35 mm

🔩Perfectly matched screws included

🧱Universal 3-in-1 plug tech

⚙️Self-adjusting 2-component design

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Description

🔧 Fix it once, fix it right — the smart plug for every pro’s toolkit!

ADAPTIVE GRIP MASTERY - Automatically folds, expands, or knots to fit any substrate for unbeatable load transfer.
ALL IN ONE POWER PACK - Includes 50 high-quality plugs and perfectly matched countersunk screws for seamless fastening.
VERSATILE APPLICATION - Engineered for concrete, bricks, stone, plasterboard, and more — your go-to for every project.
EFFORTLESS INSTALLATION - Compact design reduces drilling effort and features anti-rotation for flawless, slip-free fixing.
INSTALLATION CONFIDENCE - Feel-good feedback signals perfect plug seating, ensuring maximum safety and reliability.

The Fischer DuoPower 5 x 25 S is a cutting-edge universal wall plug featuring intelligent 2-component technology that self-adjusts via folding, expanding, or knotting to deliver the highest load capacity across diverse building materials. This 50-pack includes perfectly matched countersunk screws, designed for effortless, secure installation with anti-rotation and slip-prevention features, making it the ultimate all-in-one fastening solution for professionals and DIY enthusiasts alike.

Specifications

ASIN	B01FOKLOU0
Best Sellers Rank	346 in DIY & Tools ( See Top 100 in DIY & Tools ) 9 in Nails, Screws & Fasteners
Brand Name	fischer
Colour	Senkkopf
Compatible Groove Diameter	5 Millimeters
Country Of Origin	Germany
Customer Reviews	4.8 4.8 out of 5 stars (7,319)
Drive System	Pozidriv
EU Spare Part Availability Duration	1 Years
Exterior Finish	Plain
Fastener Size	4 x 35 mm
Fastener Type	Countersunk Screw
Finish Types	Uncoated
Global Trade Identification Number	04048962239874
Head Type	Countersunk
Included Components	Inhalt: 1 Stück
Item Diameter	5 Millimetres
Item Dimensions	46.7 x 24.6 x 15.1 centimetres
Item Type Name	Wall Plug
Item Weight	110 Grams
Manufacturer	fischer
Manufacturer Part Number	535458
Material Type	Carbon Steel
Metal	Legierter Stahl
Model Number	535458
Number Of Items	50
Number of Packs	50
Number of Pieces	50
Outside Diameter	5 Millimetres
Screw Head Style	Flat
Screw Point Style	Countersunk
Set Name	50 Plugs & 50 Screws
Set Screw Thread Type	UNC
Size	5 x 25 mm
Thread Class	2B
Thread Coverage	Partially Threaded
Thread Size	3.5 x 35 mm
Thread Style	Right Hand m4
Thread Type	Metric
Unit Count	50.0 count

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NT$478

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Taiwan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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