He actually explains on the site what he did -
http://diy.koenigs.dk/2014/02/20/6/ - the link is not always obvious when you are on the main page.
Being based in the UK I got a close approximation by simply taking the picture into my local DIY store and comparing the stain in the picture to the wood stain examples they had. I believe I ended up with a Hammerite Black 'Hammered' Spraypaint for the main plate (I lightly sanded all the metal work and then I built up about 5-6 light coats of spray paint, each 30 mins apart and then left overnight indoors to harden) and then a dark walnut wood stain. I went for a stain that was a little lighter with regards to the picture on the tin - that way I could apply several layers to build up the colour to the required density on the wood itself. Again I recall using 3-4 coats of stain to get to the required darkness.
You would then use a clear coat to finish...
I simply used a bog standard wood glue from the local DIY store and followed the base assembly instructions and it worked a treat...
Bill