In today’s post I am restoring old broken pocket knife. I found markings on the blade Gust.Haker Solingen. Pocket knife is rusted and hard to open. Also has a smaller broken blade.

My first idea was to replace the blade with spare ones, but after finding markings on the smaller blade as well I decided to keep it and shape it a bit…

Check out this old broken pocket knife restoration video below!

Hope you enjoyed in this restoration video! Thanks a lot for watching!

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Disassembling

This one was not so hard to take it apart. I hammered all pins out on small anvil. Furthermore I checked all pieces for damage and imperfections. Other than rust all looks good.

Old broken knife parts after disassembling.
Old broken knife parts after disassembling.

Vinegar bath and sanding

To get rust easier from metal parts I placed them in a vinegar bath for 12 hours. While waiting I jumped on covers to sand down and wax them. It was quite pleasant surprise to see them as new.

Vinegar bath as a rust remover agent.
Vinegar bath as a rust remover agent. This is how it looks after 12 hours.
The left cover is restored and now is time to do the same for the right one. Covers from old broken pocket knife.
Covers from old broken pocket knife. The left cover is restored and now is time to do the same for the right one.

After finishing both covers I pull out metal parts from vinegar and washed them with water. After that I brushed them with steel brush.

This is how parts looks like after washing and celaning them after a vinegar bath for 12 hours..
This is how parts looks like after washing and celaning them after a vinegar bath for 12 hours..

To be efficient I used a steel brush wheel mounted on hand cranked grinder and cleaned all the parts carefully. This was a great example to do it fast, definitely efficient and with good result.

Using steel brush wheel helped me to clean steel and brass parts nicely.
Using steel brush wheel helped me to clean steel and brass parts nicely.

So, next step was sanding. For sanding I used sandpaper 120 > 240 > 400 and 800 grit to get nice smooth finish. As a result hand sanding is definitely a time and energy consumer. So, If you plan of doing similar projects please be aware.

Deep in sanding, I have used 120 > 240> 400 and 800 sandpaper grit.
Deep in sanding, I have used sandpaper 120 > 240> 400 and 800 grit.

Polishing and assembling the old broken pocket knife

Finally is time to get some shine effect to metal parts. For that I will be using same hand cranked grinder, but this time with a polishing wheel. I applied polishing paste from tube. It works good for hand polishing or with this hand cranked grinder.

All parts are sanded and ready for polishing.
All parts are sanded and ready for polishing.

The funny moment was when I burned myself with a small blade on polishing wheel. Lesson learned here. Next time I need to use gloves, because while polishing it can create a lot of heat from traction…

Finally all parts are layed down and I can start assembling of old broken pocket knife.
Finally all parts are layed down and I can start assembling.

Finally all parts in place and I am ready to put it together. To assemble this old broken pocket knife I used new brass pins. IF you don’t know where to find them I suggest checking out this two links:
Amazon ➜ Brass pins
Ebay ➜ Brass pins
As an Amazon and Ebay Associate I earn from qualifying purchases.

Assembling didn’t went smooth. Even though I haven’t removed any material from spring or blades area around spring I got a knife with very weak spring. So I disassembled the pocket knife again and adjusted the spring itself. That helped a lot to get better spring effect. After that I successfully assembled the knife and hammered all pins in place.

Like a brand new

Old broken pocket knife held in hand after restoration.
Old broken pocket knife held in hand after restoration.

Thank you a big time for checking out this post!
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Old broken pocket knife after restoration.
Old broken pocket knife after restoration.

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38 Comments

  1. Great job man always love it when you take apart folding knives and clean them back up I personally would have exchanged the blade for a different one but I still love how it turned out if only you could get your hands on an old automatic knife to restore LOL

  2. Hi Boris. Nice restoration, as always. Also fine new setup. 👌 love it. Looking forward to the next video. 😌

  3. Beautiful job, what can the short blade used for and how do you open it? keep up good work !!!

  4. Amazing outcome brother.. also that sunset overview unbelievable.. I don’t really judge content creators on their personal production style I am fully aware of all that goes into filming and editing videos if you enjoy your production values and ideals that’s wonderful.. I only watch what I enjoy and I love all your restorations/modifications.. thank you for consistently magnificent uploads..

  5. Where did you purchase that punch? (Large body, small drive-point)

  6. Nice shooting and lighting – i like the mix with some fast motion. Don’t mind the music as long as it’s not during the ‘real time’ shots. And great work on the knife!

  7. Once again, a true craftsman performing a labour of love. Your videos inspired me to try to renovate my grandfather’s Army dagger but my results are a bit like comparing a tin of beans to a plate of fillet steak!

  8. Я скажу так- руки у тебя брат ..золотые..

  9. Nice work, beautiful result. If you ask, the music feels a bit strange in your site. Only work sounds would be soothing. I liked the video setting. Keep safe Boris

  10. Amazing transformation. I thought that knife was a lost cause at first.

  11. love the restoration although at times the speed was too fast compared to other restorations. but the music gets a nooo from me. its not you.

  12. Супер! Удивительно, что лезвие не сломано, для старых ножей с углеродкой это частое явление.

  13. looks pretty good if you don’t mind telling what type of camera you are using ?

  14. Lovely. I like the transformation shot at the end!
    I could do without the music, seeing as you asked 😊
    Beautiful work.

  15. New setup is nice although I didn’t mind the old setup. Awesome job as always. I get excited when I see a new upload from you.

  16. Always a pleasure to watch, love the editing and the knife turned out better than new!

  17. Hi master Boris 👋👋👋 this is a great restoration 👍👍👍🔥💣✌🏻🇷🇺 Soon two things will appear on your desktop, one you have already seen, the second will be a surprise.

  18. very very nice thanks men and 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 like like like more more

  19. Beautiful work mate!
    It’s great you saved the original
    small blade, at least you have a box cutter now

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