Unfortunately, I have to issue a warning about the screws that Byggmax recommends and sells for Cembrit Multiforce boards. The screws do not work on steel studs, despite being recommended by Byggmax for this purpose.
The thread is simply too short, and the entire thread goes through the steel stud before the board is fastened against the stud. Terribly poor and clumsy of Byggmax to sell such "junk." And this despite the fact that Cembrit themselves offer specially adapted screws in the same price range as Byggmax's incorrect low-quality screws. (At least the price of Cembrit screws at Beijerbygg is in the same price range...)
They also claim it is self-drilling, which it is not.
Maybe. But the head in the picture seems to be at too steep an angle compared to how the heads on regular drywall screws look? I.e. this screw should not hold a drywall sheet as well.
I unfortunately have to issue a warning for the screws that Byggmax recommends and sells for Cembrit Multiforce boards. The screws do not work on steel studs, even though they are recommended for this by Byggmax.
The thread is simply too short, and the entire thread goes through the steel stud before the board is fastened to the stud. It's terribly poor and clumsy of Byggmax to sell such "junk." And this despite the fact that Cembrit themselves offer specially adapted screws in the same price range as Byggmax's incorrect low-quality screws. (At least the price of the Cembrit screws at Beijerbygg is in the same price range...)
They also claim that it is self-drilling, which it is not.
But aren't Byggmax screws "branded screws"? Well, maybe the best screws, but I think they are sold in more places. That was probably what I meant when I wrote branded screws. Because if that's the case, it's not entirely Byggmax's fault.
Looks like the particleboard screws I bought for floorboards..
Screws for sheet metal often have a tighter thread pitch than what you show in the picture, right?
From the description: Fiber cement screw 1 layer on wooden frame / 2 layers on steel frame
That is the description for the 42mm screw.
For the 28mm screw that TS says he used, it says,
"1 layer on steel frame Yellow Chrome PH"
so it should work.
It's the description for the 42mm screw.
For the 28mm screw that TS says they've used, it states,
"1 layer on steel frame Yellow chromate PH"
so it should work
My mistake, I just clicked on the link and didn't switch to the 28 mm screw.
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nimhed said:
