Concrete Screws

Designed to replace traditional masonry fixings, our multi-fix concrete screws can be used for fixing into concrete, brick and blockwork, stone and timber.

The most common use for self tapping concrete screws is for the installation of window and door frames.

What size drill bit for 7.5mm concrete screws?

All of our screws for concrete are 7.5mm in diameter and they come in lengths from 40mm up to 250mm, including ever-popular 100mm concrete screws. The drill size required is 6mm.

How to use concrete screws

You can use self tapping concrete screws to attach furring strips, conduit clamps, electrical boxes or more.

To install screws into concrete, you should drill a pilot hole with an appropriately sized drill bit, and drive the concrete screw into the substrate with a high-power screwdriver. The large profile threads of the concrete screw will assist with this.

We always suggest drilling a slightly deeper hole than the fixing length required to allow any dust and debris to gather at the end.

The countersunk torx drive uses a T30 insert bit. Our full box quantities include the torx bit but they can also be ordered separately if required.

If you need to remove concrete screws, you can just unscrew them back out again.

Can you screw straight into concrete?

Concrete screws make it possible to fasten directly into concrete in a quick and convenient manner. Screws for concrete eliminate the need for hammering in an anchor or shield - you simply need to drill a pilot hole, and that's it.

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