I turn a Stainless Bolt into a Combination Lock

In this video i'm turning a stainless steel bolt into a nice little combination lock.

I was always fascinated by those antique combination locks. I really like the design of them. A few weeks ago I bought one from eBay, but it turned out to be a cheap fake copy. I was really disapointed. Well if I can't buy one, then I make one myself. It was quite a challenge to get all the parts done and fit together, but the end result speaks for itself. I'm very happy how it turned out and I'm glad I made it.

I hope you like my work and the video.

Huge thank you to all of my Patreon and PayPal supporters and specially to:

Arthur Beaulieu
prahS Prods
Micky McKay
Adel AlSaffar
Alan Hanson
Amanda Taylor, Esq
Andreswara Hermawan
Andrew Phillips
Dan Williams
Joan Casanovas
Joel Miller
John Romero
Jonas Richartz
Jonathan Heckerman
Marc P
Paul Ambry
Paul Mampilly
Trevor Kam
Vince Valenti
Zachary Grimes


00:00 intro
00:10 cutting the bolt in pieces on the lathe
00:53 making the side plates of the lock
02:14 making the first pin, shaft for wheels (fix side)
03:46 making the second pin, upper shaft (fix side)
04:37 making the third pin, key (movable side)
06:33 making the fourth pin, upper shaft (movable side)
07:16 TIG welding the pins and side plates together
07:35 sanding and polishing the welded parts
07:57 filing the slot for the secure ring
08:16 making the wheels with numbers out of brass
09:16 etching the numbers with ferric chloride
10:52 knurling the whells with the numbers
11:48 making five tiny springs with 0.3mm spring steel wire
12:20 showing the five steel balls
12:24 assembling the wheels with the numbers
12:44 making a secure ring with 0.8mm spring steel wire
13:13 assembling the secure ring
13:21 showing the finished combination lock

Time and costs of this restoration:

I was working on this project over 2 weeks
$5 stainless steel bolt M20x70
$40 knurling wheel
$2 printing the numbers
$15 steel balls and spring steel wire

My camera:
Panasonic HC-V180

If you have any questions about the process, machines i'm using or other stuff, just ask me in the comments. I read them all and i try to reply as soon as possible.

Sorry for my bad english, it's not my language. I try my best to improve my technical english.

Subscribe for more of my content. I'm uploading videos about mechanical stuff, as new creations and buildings and also restorations.

Thank you for watching :-)

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  • J진

    i told youyou are crazzzzy👍👍👍

  • Jose orion

    Trabalho sensacional meus cumprimentos desde Brasil

  • Abdullah Tunc

    Helal olsun iyi ugrastin

  • Abdullah Tunc

    Ben izlerken yoruldum resmen


    Mim manda um de presente CEP 58309874 número 79

  • idrees khan

    you have done great job but i must say your hands are very beautiful and clean too.......

  • Enzo 79

    You have golden hand mate!!!

  • Basheer Nada

    We neeeeeeeeerd new videoWhere are you????

  • Timothy White

    ... and now I know your combination.

  • M Slopez

    Esta bien realizado y acabado de joyero, pero lo que más envidia da es la cantidad y la calidad de las herramientas que usa...total para un candado que puedes conseguir por menos de 4 €!!!

  • Ren Star

    Wow you have talent my friend.. that machine is bigger than my apartment here in California.

  • Maksim Maksimych

    👏🏻👏🏻👏🏻 keep going !!!

  • Lipasfly MoonCraft

    When you will upload a new project? I'm waiting so long. 🤗

  • svv070858

    Главное болт купить а к нему токарный,фрезерный, шлифовальный,сверлильный,аргонную сварку и всякие расходники а остальное не заслуживает комментариев.

  • sunshineIT

    you should build a lock for the lockpickinglawyer and bosnian bill ;)

  • Lisa Yarost

    Are you perchance a tool and die maker by trade?


    Классная штука, гараж таким закрывать

  • Youtube Addict

    U just need spin and hear the click sound to open, easy to hack but a beautyfull lock

  • YuriyAk67

    Цена вопроса -115р. А по твоему методу?

  • Igor' Smolyaninov

    Замок с одним кодом. Просто красивая игрушка. В общем кружок ачумелые ручки.

  • Fisher Leung

    does it mean that only one combination is allowed?

  • Jesus Hernandez

    Super épico muy buen vídeo

  • Mikola Chopovcі

    Побольше б таких програм - показывать ведь здесь имеется логика .ТОГДАБ и неискали ,закладки - по детским песочницам!!!

  • Troy Adamson

    I only watched the first couple of minutes when that's when it reminded me of a Bugs Bunny cartoon. You remember, the one where they were in a lumber mill/factory and they were making toothpicks. In order to get ONE toothpick they would put an entire tree on a lathe and make ONE toothpick. Same thing here. If he wanted to make pins for a lock, why not just buy steel rod of the correct size?

  • Floyd Rose

    это называется из одного болта?

  • Maks dentist

    Я сам зубной-техник,и примерно наша работа такая же,автору респект,лайк и подписка конечно же 👍👍👍

  • Samodelkin

    Код всем показал, теперь всё зря, этот выкинуть можно😁

  • Mr. Wanjay

    Engineer BrunS want to know your location

  • Andrey Andrey

    Да с такими станка и, я бы твой х...... Й сделал бы с резьбой, написал бы, Я, Я, Я, Я я одной ножовкой и напильником сделал, тогда ДА СНИМАЮ ШЛЯПУ, А ТАК ШЛЧПА, ТЫ РУКАМИ НИКУЯ НЕ СДЕЛАЛ ВСЕ СТАНКИ

  • Australian Gamer

    Yep completely made from a bolt, just ignore the welding (adding material) and the damn MASSIVE PIECE OF BRASS not to mention the springs and steel ballsThis video is completely clickbait

  • Konstantin Sherstnev

    очень подробно и аккуратно,супер

  • Lash LaRue

    genius. I feel old and stupid after watching these.

  • Celtic Whisper

    You could make a stainless steel bolt from the shaft of a hammer and then turn it into a combination lock.

  • S P

    посоветуйте, чем и как лучше делать травление металла , не используя электричество

  • Justin Mather

    Now you have to give it to the LockPickingLawyer for him to test.

  • Vankar Sameer

    Wow. It is nice. Great working. I want to buy order lock

  • What Maria???

    Se vc for brasileiro(a)Deixa o likeSe não forIgnore esse comentário

  • Awais Fazlullah

    I have needed this lock very well help me 4rm Pakistan

  • José moreira da cruz filho Cruz

    É pessoas que não tem o que fazer que fica inventando isso se você trabalhasse chegasse em casa você queria era dormir não perdesse até para fazer essa porcaria

  • dima arhipov

    Плохо то что код сменить нельзя

  • Fakhar Bhatti

    sir you are leagend.You made this lock even better then the lock factory

  • Scott K

    I'm speechless. You are a master!!

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