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Friction welding is a thing, friction is what does the melting.The idea with these is that the lignin in the wood and the (added) lignin in the nails melts due to the friction of the nail penetrating the wood. When it sets again the pullout strength is (apparently) 4x as strong as the equivalent metal nail.Did you watch the video? There’s no way the holes were pre drilled, he just holds up the nail gun and shoots one in.
Friction welding is a thing, friction is what does the melting.
The idea with these is that the lignin in the wood and the (added) lignin in the nails melts due to the friction of the nail penetrating the wood. When it sets again the pullout strength is (apparently) 4x as strong as the equivalent metal nail.
Did you watch the video? There’s no way the holes were pre drilled, he just holds up the nail gun and shoots one in.
