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Flanged Hexagon Concrete Screws.

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Flanged Hexagon Concrete Screws

What are Flanged Hexagon Concrete Screws?

Thunderbolt™ branded self-tapping Masonry Anchors are designed for fastening into substrates such as concrete block, brick & stone. This all-metal Flanged Hexagon screw for brick and concrete, amongst other masonry materials, is able to cut its own thread into the substrate during installation, without expansion stress.

As a result, these Masonry Anchors are typically chosen as a solution for close to edge applications. This type of anchor benefits from a Flange head, helping to spread the fastener load over a large surface area.

For a variant without a Flanged head, please see our range of Metric Hexagon Head Masonry Anchors.

As a specialist self tapping masonry screw, Thunderbolts are designed to be a one-piece, non-expanding anchor. This means that simple and secure installation can be achieved without a wall plug or resin.


This range of Masonry Anchors are manufactured from Steel in a Zinc & Yellow finish as standard, with a Galvanised finish also available in 6mm thread size at lengths of 50mm, 75mm and 100mm.


Accu’s Flanged Hex Masonry Anchor range is supplied in metric sizes, with the drill sizes available in 5mm and 6mm options. Anchor lengths range from 30mm to 150mm.

Bespoke Flanged Hexagon Concrete Screws Manufacture.

High precision, bespoke manufacture of Flanged Hexagon Concrete Screws to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.

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