Bump a # 3 master lock

[naturallite7]

I am tring to make a bump key to fit a #3 master lock, any one else tried this yet? I have not been able to open a lock yet. My key looks fairly close to whats need to be. I may have to concentrate on my bumping?I got about ten different master keys for a # 3 and compared them when I was filing the bump key. Any input, and or suggestions would be nice to hear.

[pretender]

Isn't worth the trouble for a lock that easy to pick.

[cha0s]

well, its better to get experience on an easier lock yes?

Anyway i would say pick it first. This is a fairly easly lock even for someone who is just starting out. Rake it once then find what pins didnt set. Should do it for ya within a few tries. GL

[naturallite7]

Thanks for the help and reply. I agree that the # 3 master lock is one of the more easier locks to pick. What I hope to do is start with a lock that is easy to pick and try to make a bump that would work. I hope by starting with one of the easier locks I can learn faster and move up to the harder locks with out such a big learning curve. What I think I want to say is:start at the bottom and work my way upward. My first try has not worked out, I plan on making another bump key and try again.

[cracksman]

I think you'll have more difficulty bumbing a spring
loaded Master than a Schlage or equivalent deadbolt/mortice
lock. The trick is to turn the key in the instant the pins have
seperated, the added tension of a padlock seems to be
a hindrance than a help, this is pure conjecture though,
I've never tried it.

[sublime progie]

I agree, also it seems like it would be rather difficult to hold the lock in place, hold the bump key, apply tension at the right time, and bump the key with random bumping aparatus.

[naturallite7]

Thanks for the input on this. I hadn't thought about the spring loaded part of the master lock. I am glad I asked before I wasted more time on it. I think I will move on toward making a bump key for the kwickset lock now.

[mcm757207]

Another issue is that on locks that are cheaply made have more side-to-side play in the pin chambers, which is a loss of energy when you are using the bump key. This is why higher-quality locks usually bump better, the energy is transfered up more efficiently.

[cracksman]

Seems like you are really going the "bumpkey"
way. I can think of "Jimmie" on this site as well
as others that could really help in instructing you.
I am just curious why you have decided on this
avenue. Bumping does not take a lot of skill
once you have the key, so the challenge is not very
strong. I was wondering what your interest was
in this.

*I am aware that Jimmie and many others have put a great deal of time into the study and creation of bumping, and I don't want to detract in any way from this pursuit.

ie. it is easy to drive a car, but to make one

[naturallite7]

I want to learn bump keys because I watched the video, I am impressed with the ability to do such as this. I have spent a good amount of dollars and time on making and buying picks. I bought the pratice lock set here.I have the 20 piece set from Southord, I have the great Bogata set, I have made about six picks on my own from different types of material. I have unlocked all the #3 master locks I can get my hands on at work. I have opened my home kwickset, my camp house kwick set. I still pratice several hours a week with my picks. If I understand correctly, there is a level of skill to using the bump keys. I understand, just because you have one does not mean you will be sucessful with it.This art to using the bump keys is want I am hungry for. I have had some sucess in picking, not good by any standard...getting better every week though. This would be another skill to my hobby. I think of it like bass fishing. I am confident that I can catch bass with a plasic worm. That doesn't mean I "only" want to catch bass on a plastic worm.

[zeke79]

Have you taken some material from the shoulder of the key yet? Also if you have a pin that is to the deepest cut in the lock then in theory a "999" key may not work the best for you. That is where a "10 10 10" key will come into play. The reason for this is when you bump the key into the lock a 999 key will force the long pin above the sheer line thereby blocking your attempt at bumping. I have experimented with both and the 10 10 10 key will bump as well as a 999 key even in you have a 0 pin or the lowest cut possible in the lock.

As mcm151201 said tolerances play a big factor in bumping. The looser the tolerances the less effective bumping will be. That is why this method is so effective on higher security locks.

[cracksman]

I definetly think bumping is worth learning,
It seems that the Master, as a stepping stone,
may actually be more difficult then a higher
quality lock. I've also noticed, like Zeke
mentioned, that at least one of my Master
locks has a "9" pin (I think the Master's are
numbered 0-7) that sits at the shearline.

Have you tried putting your lock in a vice
while bumping it?

[naturallite7]

Thanks for all the input on this. I have not tried a higher securuity lock as of yet. I have went to the hardware store and bought a duplicate of my kwickset lock here at home. I hope to find some other kwickset keys and try and get some kind of comparison on where the 999 line is gonna be. I have a pretty good guess, but still want to do a little comparing if I can. Have you tried putting your lock in a vice
while bumping it?
I like this idea, I have a brand new deadbolt, I have not taken out of the package yet. I will try and get a extra key made of it and put it in a vise and try it, thanks for the tip. That would be better "early pratice" I think.

[ThE_MasteR]

Here I hope this explains something to you, I learnt this in the process of trying to take the key out of the lock, without any success.

The purpose of this drawing is, if you leave the end of the key at an angle more than 45*, you won't be able to take the key out, because the pin won't lift up.

[Chucklz]

This square cut method is reasonably useful. You can convert a cylinder to thumb turn. Generally useless, but I've seen it done... twice. The second use I can think of is an "emergency" key for a landlord or some other situation in which you must give a key to your propery to someone, but want to know if they have entered. The key you give them will be trapped when they use it, so you have a clear notice of entry. Of course, you must be prepared to dissassemble the lock to remove the key, but in most cases this is a small worry.