All you need to know about locks and picking them

Dom Diamant (Diamond) – The Rolls Royce of Locks?

Here is a quick look of what must be one of the best engineered locks I’ve ever seen – the German Dom Diamant ( Diamond).

This lock was kindly given to me by Inalock from the DBC forum and was delivered by the almighty Mikey from Manchester.

First of  all this lock has a very unique key ,which  I can’t think of any way you can copy it without the real cutting machine.

 

The lock contains 10 discs that operates 3 (!) side bars

In the lock that I got one side bar was missing so I had to make a new one.

The side bars are in every 90 degrees of the core but one side is not a side bar but it has a spring attachment to it that prevents the discs from fully turning.

 

Inside the core you would find the discs with some very interesting spacers that look like four O rings which basically means that when you move one of the discs , the one next to it will move as well.

 This is the side bar  with the key in.

 The discs have false notches in them and they look like the letter B but some are in reverse.

Another unique thing that I learned from this lock is that discs do move  when the key is inserted/extracted  and unlike the Abloy they are not turned into a certain place which moves the bolt. In here the key immediately opens the lock

I’m still studying this locks but it is a very unique lock and very  very well made.

5 responses

  1. mikey

    great review mate. when i first got it, i put the key and didnt realise the circlip was missing, you can guess what nearly happened! lol

    June 23, 2011 at 8:00 pm

  2. That lock is immense, thats the first breakdown iv seen of one, and im not sure how you could go about picking it!?

    Id love to get hold of one but its an expensive piece

    July 17, 2011 at 8:21 am

  3. mh

    Hi Raf,
    You have built a great site, and these are nice breakdown pictures of the Diamant.
    I’m sure you noticed that the disks are B / inverted B always next to each other (with the thrust bearings in between), so that one disk can interact with the cuts on one side of the key, and the next disk can interact with the cuts on the other side of the key. That way, the key can have a bigger MACS…
    Cheers
    mh

    July 25, 2011 at 9:06 pm

  4. Will vaszocz

    Hi I was just wondering, I have a diamont that I put together, the key works really smooth one way and then really crunchy in the other direction, have to jiggle it to get it to turn. Do you know how I could fix this?

    February 4, 2015 at 8:45 am

  5. raf

    Hello

    The best way is build it again and every time just add another disc.

    Raf

    February 7, 2015 at 8:05 pm

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