This looks like Brander(?) belting which I used on a boat diesel 40 years ago. I still have the tool for opening/joining it.
Essential tools for the hangar, we used them all in sequence all live in my 60×60 hangar 
That’s an amazing workshop. I like the Bridgeport mill; I have a Wabeco one because that German company more or less owns the market for reasonable quality benchtop turret mills. The big ones are much better value but would not fit in my workshop 
@magyarflyer, for those curious but clueless – could you perhaps add a couple of lines what each of these things are, and what they are used for?
Last picture is a Hardinge lathe I found in Los Alamos from the AEC is at least 35 years old and I think it glows in the dark
Next to last are the collets to hold the material to be worked on the lathe
Next above is a hydraulic press for bending heavy material Komatsu
The green thing is a metal slicer with a roller on top for bending usually aluminum or thin steel
Above is our second Hardinge lathe (my hangar mate is a machinist by trade)
Next above is a metal bender (fan at bottom)
Of course a high volume air compressor is essential
Next above is a Bridgeport vertical mill one of three we have
The Komatsu is a duplicate photo we only have one of those weighs a ton
Above that is our spare Bridgeport vertical mill
And the first picture is a Tormach 770 CNC vertical CAD 3D vertical mill which is programmable and probably the most useful in the shop and has a reasonable price
Thank you!
So, I am looking for a good tool kit for aviation maintenance with imperial units.
Aircraft Spruce seem to have some good kits, also Red Box Tools in UK.
Does anyone of you know if there is some similar supplier within EU?
I suspect a whole kit at once (e.g. Red Box) is going to cost a pretty penny. That being said, I have always liked Bahco which is what Red Box seem to be selling. I gather they are the OEM for some Snap On tools, so quite high quality without the exorbitant pricing.
If you have some tools and just want the case, Pelican do some mobile tool chests https://www.peli.com/eu/en/product/cases/mobile-tool-chest/protector/0450
If you fill these boxes up they are going to be very heavy and not something you want to carry in the aircraft. Or perhaps I have misunderstood, and you are looking for a hangar tool chest? Then any chest with roller bearing drawers will do. In North America Costco often have a deal on something suitible, from the internet, I gather they have just opened a store in Sweden. There are many other European manufacturers who produce high quality items… Gedore, Beta, Stahlwille, Hazet, Facom to list a few.
If in the aircraft, I would go with a some sort of small plastic box/crate, and tool rolls for the select items you intend to carry. For example: https://www.halfords.com/tools/storage/tool-bags/stanley-tool-roll-223930.html These are soft and don’t take up much extra room.
Pre-brexit, I found that many German tool suppliers had pretty good prices (strength of Sterling and no import tax). One that I have placed a few orders from is https://www.tbs-aachen.de/ . I particularly like their clearance pages for Stahlwille and Hazet tools… very good German brands.
When I was in North America, I ended up ordering speciality tools from Aircraft Spruce, e.g. oil filter cutter, spark plug gapping, lock wire pliers, etc.
Best of luck, it is always a pleasure to get a nice tool box together… are they ever complete :-)?
Also, there is an old post that covers some of this:
https://www.euroga.org/forums/maintenance-avionics/7459-which-tools-toolkit-should-every-small-ga-airplane-owner-have-for-maintenance?page=1
If money is an issue I would spend it on the small tools. Usually what we need is a tiny tool as things are difficult o get to. On the other hand for a 1" spanner a 15 Euro set from ebay will probably do the trick for an amateur pilot / owner. The big stuff is not required very often and aircraft structures can not withstand huge forces anyway so compared to car maintenance the stress on the big tools is not that much in my experience.
