How to Rekey Mortise Cylinders 

Master Pins will look like shorter versions of your top pins. They will basically be extra pins in the top chambers. If you pull the plug without a key, you may even find them on top of your bottom pins, you will notice flat pins on top of your beveled ones.

Hey, not bad! You can pick up the HPC Hollow Follower set relatively cheap online and hobby shops have some decent tweezers! If you don't have a pinning mat you can head to Walmart and go to the craft section and have them cut you a piece of pleather material. Some of them have some deep grooves that can help ya and a yard of it costs like $5.00. I use that material on installs to catch any wood droppings inside a customers home lol

@@LockandKilo I've ordered an acrylic follower and the mini mats (til I get their large one) from Sparrows. I didn't buy their tweezers though because I figure I can find some for less than $12. The hemostats I've got are left over from my body piercing career and work really well after filing a round slot in them. And the ratching handle is, well, handy. I'll probably get legit ones to try em out in comparison though. Years ago I dabbled in this due to having quite an interest but moved on because of the bajllion hobbies I have, but I picked it up again a month ago and have been getting big into it. Mainly because tools are _way_ easier to get now. I used to have to make my picks since they were expensive and hard to get. Now I've got around 20 picks, 23 padlocks, 1 cylinder, and 4 combo locks. I absolutely love this. I'm big into puzzles so it fits well with me.

@@iyeetsecurity922 Sparrows I think used to have a bundle deal that tossed in Tweezers, but I can't remember. Sometimes you can heat up a set of hobby tweezers and shape the ends. My latest video I show a way to make paper clip picks, which is what I used when I first started for a hobby haha Locks are amazing puzzles!

On my channel I have several videos on rekeying locks. This video was showing the process of how to rekey a mortise cylinder. This was part of a series and changing the pins is pretty standard and I wanted to save time on the video. Originally this channel was geared to teaching apprentice locksmiths who had already rekeyed residential locks.

or can you use any sc1 key ?

In laymans terms, a Pin-Tumbler lock is designed with Top-Pins and Bottom Pins. All standard Top-Pins are the same size while the Bottom-Pins correlate to the different bitting on the key. When a key is inserted into the lock, it pushes the bottom pins up to specific heights creating a Shear-Line for the core of the lock to rotate. A Master-Pin is essentially an extra Top-Pin of varying sizes used to create a second shear-line. For example: Let's say you have a building with 3 offices inside and each office belongs to a different employee. Employee A will have a key that works for their office, while employees B and C have keys that work for their offices. Neither of the 3 employees keys work on each others office doors. Now, at night the Janitor needs to be able to open all office doors and his 1 key opens all 3 offices. This is an example of a Master Key System. Each office lock has differing Master Top-Pins to create a second shear line to allow the Janitors key to work. Sometimes you'll hear this referred to as a "Skeleton-Key" by co-workers.

You'll know the Mortise Cylinder when you see the threads on the cylinder. They fit into a lock body that is mortised into the door.

@@LockandKilo So there's nothing special about the lock itself, just how it mounts?

@@iyeetsecurity922 The tail piece as you see in the video is only main difference most pickers notice as they only buy the cylinders lol Other than those things tho it's just a lock. Pins up all the same, nothing amazing lol

@@LockandKilo Right on. I appreciate the responses and information!