Nail plug A4 8x120?

[ktd]

Anyone have tips on where to buy spikplugg A4 8x120 in "regular" stores? I've looked around but haven't found the right one. The length is not super important but shorter than 120 mm is not desirable.
Screws and nails are not my specialty so I've probably just missed it.

 

[Cider]

Bolist has it in their assortment. If it's not in stock, it must be possible to order it.
That's how it works at least at "my" Bolist store in Fjugesta.
SPIKPLUGG R-FX RAWL EFZ 8X120 – RAWLPLUG – Spikplugg – Bolist
Bolist is a kind of organization for independent hardware, paint, and construction stores.
There is surely a Bolist store in your area too:
Butiker – Bolist

 

[ktd]

Bolist has it in their range.

Reading on my phone so some text may be missing but are they really A4 (stainless)? It says for indoor use and then it usually is C4, not even A2...

 

[JonteH]

A4 is acid-resistant, should be used for pressure-treated wood.
What are you going to attach, and into what will you attach it?

 

[ktd]

Concrete decking around a pool. A2 might work but I was thinking of going with A4 to be on the safe side.

 

[JonteH]

Use plug and A4 decking screw otherwise.

 

[ktd]

That was the idea at first, but it's nicer to just drill and hammer in.

 

[Bonzo2000]

Doesn't it feel a bit overkill to screw decking with 8x120, or am I missing something?

 

[ktd]

Doesn't it feel a bit overkill to screw decking with 8x120, or have I missed something?

Feel free to link A4 nail plugs that you think are sufficient. Or were you just in the mood to write?
The decking will be about 20 mm above the concrete on “spacers” so the nail plug should go down and fasten properly, in my opinion.
But I am, as I said, far from an expert, so it's good when “experts” can show the way.
Looking forward to your tips. Thanks!

 

[Rickard.]

Distances can be made of wood such as a horizontal 34x70 or 28x70, then you can use a type of 50mm concrete screw through it and then use regular decking screws.

 

[ktd]

Can the spacers be made of wood, e.g., a horizontal 34x70 or 28x70, then you can use a 50mm concrete screw through it and then use regular decking screws.

No, the spacer should be a maximum of 20 mm. It will probably be closer to 15 mm.

 

[Bonzo2000]

Feel free to link to A4 nail plugs that you think are sufficient. Or were you just eager to write? The decking will lie about 20 mm above the concrete on "spacers" so the nail plug should go down and fasten properly, I think. But as I said, I'm far from an expert, so it's good when "experts" can show the way. Looking forward to your tips. Thanks!

I'm not entirely clear on how you plan to build. Is the idea that the decking will rest on spacers and you want to fasten the decking to the concrete in the same way as it is usually attached to floor joists? Or are you thinking of building the decking in larger sections and then fastening these to the concrete?

No, I may not have all the answers for you right now. What I reacted to was the size of the screws, as regular decking screws are usually around 4.2x55. It also becomes quite expensive if you use that type of screw as decking screws.

But feel free to post a couple of pictures if you want advice on how to solve the task. Otherwise, Essve has stainless steel facade plugs (nail plugs) in large dimensions.

https://www.essve.com/sv/produkter/...-inkl.-skruv-med-forsankt-skalle.-rostfri-a4/

 

[ktd]

It also becomes quite expensive if you use that type of screw as decking screw.

Otherwise, Essve has stainless facade plugs (nail plugs) in large dimensions.

Thanks for the response. What's going to be attached to the concrete are two to three decking boards wide (about 300 mm). After that, there will be regular wooden joists and then I can use regular decking screws.
The two to three wide boards that will be attached to the concrete will "hover" (on laid spacers) about 15-20 mm, and to get a good grip in the concrete, I thought of using slightly longer screws. I would like to go down at least >50 mm into the concrete. Or is that unnecessarily much?

I've looked at some manufacturers' websites, and there are quite a few options, but no stores I've found have them in stock or can deliver on time. A4 is not very common (except for decking screws), it seems.

I'm leaning towards wood screws and plugs anyway. Nice that not so much needs to be attached to the wood.