Concrete and Masonry Screw, Heco-Multi-Monti-plus, Hex Head with Combined Washer

Product Details

Is this Heco MM+ Hex Hd with washer suitable for concrete and masonry fixing?

Yes. This is a concrete and masonry screw designed for fastening into dense substrates such as concrete and brickwork, helping you achieve a secure hold for typical construction and fixing applications.

What does the SW15 drive mean, and what tool do I need?

The SW15 drive refers to the hex key size required to tighten the screw. You will typically need a suitable hex bit or driver set sized for SW15 to fit the head properly and prevent cam out.

What are the key dimensions for this screw?

This model is 140 mm long with a thread diameter of 12 mm. It also includes an integrated washer with a diameter of 22 mm, which helps spread the load and improves stability at the fixing surface.

Will the integrated washer replace the need for a separate washer?

In many cases, yes. The built in washer is intended to sit under the hex head to distribute pressure. This can reduce the need for additional washers when your application uses the screw as specified.

How does the carbon steel finish affect performance?

The screw is finished in bright carbon steel. This finish is commonly chosen for straightforward performance on site, offering good general corrosion resistance for typical indoor or covered conditions. If you are fixing in very wet or coastal environments, consider a suitable alternative for higher corrosion exposure.

What is the correct way to choose the length for my project?

Choose 140 mm when your installation needs sufficient embedment into the masonry or concrete and the required protrusion for the assembly. Using too short a length can reduce holding power, while an unnecessarily long screw may be difficult to fit and could interfere with other components.

Where can I use part number 019.10.317?

You can order and use Heco MM+ Hex Hd plus washer SW15 D12x140 mm under part number 019.10.317 for concrete and masonry screw applications that call for a 12 mm thread with the matching SW15 hex head drive.