What is the weight loading for 4 screws (as I have seen two conflicting ratings, 100kg and 250kg)? Thanks

Depends on what is being drilled into. It's 100kg per 4 screws into concrete blocks, 73kg for aerated/lightweight blocks, and 250kg for steel-reinforced fixings

Once installed, can we unscrew for wall painting, then screw it back in?

Loosening and re-screwing any fixing will cause degradation of the hold especially where plasterboard is concerned. So it is always best to Just lift the TV off the bracket and paint around the bracket and carefully through any holes.

What size is the actual screw? I understand the plug requires 10mm as does the sheath, but what is the screws diametre?

Thank you for your interest in CoreFix. I can confirm that CoreFix original are supplied with 5.0 x100mm single thread screws with a 10mm screw head. Allowing for a fixture depth of 10mm. I hope this help you make an informed decision. Kind regards, Lucy

Can I use the red ones on lightweight blocks if I've ran out of the blue ones?

Hi Ian, thanks for the question. Yes, the products are interchangeable within masonry and aircrete/thermolite blockworks. Please adhere to the advised safe working loads of 100Kg (Corefix Ordinal - Red) and 73Kg (Corefix Air - Blue) over four fixings to ensure a secure fixing. Kind Regards, Andy

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Corefix 100mm Heavy Duty Dot & Dab Wall Fixings - Plasterboard Over Blockwork Wall Plugs & Screws - for TVs, Radiators, Shelving & More - Holds 100kg on 4 fixtures - Reinforced Steel Core - 4 Pack

Corefix 100mm Heavy Duty Dot & Dab Wall Fixings - Plasterboard Over Blockwork Wall Plugs & Screws - for TVs, Radiators, Shelving & More - Holds 100kg on 4 fixtures - Reinforced Steel Core - 4 Pack

Product ID: 63885831

Details

Brand
COREFIX
Colour
Red
Item dimensions L x W x H
22 x 90 x 190
Material
Alloy Steel
Size
10 x 95

🔩Steel core reinforcement for 100kg hold

🏗️Designed for plasterboard over blockwork

🛠️100mm length for deep wall grip

¥2534

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Description

🔧 Secure your space with strength and style—because your walls deserve the best!

HEAVY DUTY STRENGTH - Reinforced steel core supports up to 100kg on just 4 fixings—mount with confidence.
CERTIFIED RELIABILITY - Independently tested and UK-made for guaranteed safety and peace of mind in modern homes.
EFFORTLESS INSTALLATION - Simple DIY setup with basic tools—no specialist skills needed, saving you time and hassle.
VERSATILE COMPATIBILITY - Perfect for TVs, radiators, shelving & more on plasterboard over blockwork walls—one fix for all projects.
LOAD TRANSFERRING DESIGN - Engineered to transfer weight through plasterboard to solid blockwork for maximum stability.

Corefix 100mm Heavy Duty Dot & Dab Wall Fixings are premium UK-made anchors designed specifically for plasterboard over blockwork walls. Featuring a reinforced steel core, these fixings securely hold up to 100kg across 4 points, making them ideal for mounting TVs, radiators, shelves, and more. Easy to install with basic tools, they transfer loads safely to the blockwork behind, ensuring long-lasting stability and peace of mind for your home improvement projects.

Specifications

ASIN	B071G61BQW
Best Sellers Rank	3,392 in DIY & Tools ( See Top 100 in DIY & Tools ) 20 in Plugs (DIY & Tools)
Brand	COREFIX
Brand Name	COREFIX
Colour	Red
Compatible Groove Diameter	1E+1 Millimeters
Country Of Origin	United Kingdom
Customer Reviews	4.6 out of 5 stars 1,445 Reviews
Fastener Type	Screw
Fastener type	Screw
Finish Types	Hot Dipped Galvanized
Item Diameter	10 Millimetres
Item Dimensions	22 x 90 x 190 millimetres
Item Shape	Round
Item dimensions L x W x H	22 x 90 x 190 millimetres
Manufacturer	Metex Online Ltd (GB)
Manufacturer Part Number	CFX004
Material	Alloy Steel
Material Type	Alloy Steel
Model Number	CFX004
Number Of Items	4
Number of Pieces	4
Screw Head Style	Countersunk
Set Name	Single Set
Size	10 x 95
Thread Size	M6

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¥2534

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

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