How To Replace A Tubular Round Key Lock


Lost your key to your arcade, vending or another machine? Learn how to Replace A Tubular Round Key Lock. There are all kinds of machines that must be kept locked to keep them secure from unauthorized access. To be more specific, each one more than likely has a different lock and certainly key number. As a result, finding the correct key is almost impossible. Consequently, the only solution is to drill out the old lock and replace it with a new lock and key. If this is not the type of lock you have check out How To Drill Out and Replace a Machine Lock for other options.

Tools needed are a hand drill, 1/8″ – 3/16″ drill bit, sturdy flat blade screwdriver, center punch, hammer, pliers, or vice grips. Most locks are either a standard flat, double-bit key, or a tubular round key type of lock. If this is not the type of lock you have check out How To Drill Out and Replace a Machine Lock for other options.

Money Machines is your authoritative source of game machines parts and service. If you need help give us a call at 985-845-7146.


Replacing A Tubular Round Key Lock

  1. Centerpunch a mark on the lock to guide the drill bit.
    Tubular round key type of lock. Next, using a center punch and hammer make a starting indention. To do this, you place the center punch in the center of the lock and strike it with a hammer several times. Consequently, the drill bit will stay in place much easier.

    Replacing A Tubular Round Key Lock 1 | moneymachines.com

  2. Drill the lock.

    Using a 1/4″ drill bit, place the bit in the indention you just made. Now, drill out the center tab of the lock. In other words, drill to a depth of 1/4″. with the outside edge of one side of the key slot. Drill a hole 1/4″ deep straight into the slot. Most importantly, do not over drill too deeply or you could damage something behind the lock.
    Replacing A Tubular Round Key Lock 2 | moneymachines.com

  3. After the lock is drilled

    When you have drilled out the entire center of the lock you should have a lock that looks like this.
    Replacing A Tubular Round Key Lock 3 | moneymachines.com

  4. Use a screwdriver to remove the lock.

    Now stick the blade of a flat screwdriver into the hole and lean at an angle to get a bite on the inside edges of the lock. Next, twist counterclockwise to unscrew the lock. You may need to twist the screwdriver back and forth initially to help break the lock free. In addition, a pair of pliers or vise grips clamped around the screwdriver will give you better leverage. Now, if it still doesn’t break free, you will need to drill the hole a little deeper or larger. Above all, be careful not to remove so much that you damage the surrounding area.
    Replacing A Tubular Round Key Lock 4 | moneymachines.com

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