Hampton, Steven - (Illustrated) Secrets of Lockpicking

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SECRETS OF LOCK PICKING

By Steven Hampton

(don't let the date fool you. This is good stuff)

Contents

Introduction

Tools

Lock Identification

Pin Tumbler Locks

Wafer Tumbler Locks

Double Wafer Locks

Pin and Wafer Tumbler Padlocks

Tubular Cylinder Locks

Mushroom and Spool Pin Tumbler Locks

Magnetic Locks

Disk Tumbler Locks

Tips for Success

INTRODUCTION

The ancient Egyptians were the first to come up with a complicated security device. This was

the pin tumbler lock. We use the same security principle today on millions of applications.

The most commonly used lock today is the pin tumbler lock. A series of pins that are divided

at certain points must be raised to these dividing points in relationship to the separation

between the cylinder wall and the shell of the lock by a key cut for that particular series of

pin divisions. Thus the cylinder can be turned, and the mechanism or lock is unlocked.

Lock picking means to open a lock by use of a flat piece of steel called a pick. Actually, the

process requires two pieces of flat steel to open cylinder locks. It amuses me to watch spies

and thieves on TV picking locks using only one tool. But it is for the better in a sense. If

everyone learned how to pick locks by watching TV, we would all be at the mercy of anyone

who wanted to steal from us, and the cylinder lock for the most part would be outdated.

The actual definition of lock picking should be: "The manipulation and opening of any

restrictive mechanical or electronic device by usage of tools other than the implied

instrument (key or code) used solely for that device." A little lengthy, but more accurate

description. With cylinder locks, it requires a pick and a tension wrench.

By picking the lock, you simply replace the function of a key with a pick that raises the pins

to their "breaking point," and using a tension wrench one rotates the cylinder to operate the

cam at the rear of the lock's cylinder to unlock the mechanism.

The tension wrench is used to apply tension to the cylinder of the lock to cause a slight

binding action on the pins as well as to turn the cylinder after the pins have been aligned by

the pick; this opens the lock. The slight binding action on the pins caused by the tension

wrench allows one to hear and feel each pin as it "breaks" or reaches alignment with the

separation of cylinder and shell. The vibration is felt in the knuckles and joints of the fingers,

and the sound is similar to that of a cricket in an arm wrestling match-a subtle yet distinct

click. Usually you need very little tension with the wrench while picking the lock. In fact, it

takes somewhat of a delicate, yet firm touch. This is the secret to picking locks successfully-a

firm and yet gentle touch on the tension wrench. You should be able to feel the pins click into

place with the right amount of tension; experience will be your true guide.

Half of your success will be based on your ability to use or improvise various objects to use

as tools for your purpose. The other half will depend on practice. I once picked a pin tumbler

lock using a borrowed roach clip and a hairpin. A dangerous fire was prevented and probably

several lives were saved. The world is full of useful objects for the purpose, so never hesitate

to experiment.

TOOLS

I started picking locks using a small screwdriver and a safety pin. The screwdriver

can be used as a tension wrench, and the safety pin is used like a "hook" pick. The last half

inch of the screwdriver's tip was bent at a 45 degree angle so as to allow easy entry for the

pick (bent safety pin). Do not heat the screwdriver tip to bend it, as this will destroy its

temper. Use a vise and hammer to do the job. Bend slowly by using firm and short taps of the

hammer, otherwise you may break and weaken the shaft. The safety pin should be about one

and a half inches long and bent in the same way.

With the small screwdriver as a tension wrench, you can use more of a turning or twisting

movement than with a regular tension wrench so you will generally need less direct force

when using it. As I mentioned earlier, with practice you will develop the feeling for the right

amount of tension on a cylinder. If the safety pin bends after a short time, use the keyway of

the lock you are picking to bend it back into shape. Even after several times of bending, it

should still be useful. Keep a few spares handy, though. File the tip of the safety pin flat in

relationship to the bottom of the pins in the lock. Smooth any sharp edges so that you won't

impale yourself. Also, if the tip is smooth, the pick will not get hung up on the pins while

picking the lock.

Granted these are not the best tools for the job, but they do work. If you learn to use your

junk box as a rich source of equipment, then with your experience real lock picks will give

you magic fingers. Also, you'll have the advantage of being able to improvise should you be

without the real things (which are illegal to carry on your person in most parts of the

country).

Lock picks are difficult to get. I received my first set when I became a locksmith apprentice.

All of my subsequent sets I made from stainless steel steak knives with a grinder and cut-off

wheel. They are much more durable than the commercial picks. If you do make your own,

make certain that the steel is quenched after every 3 seconds of grinding-do not allow the

pick to get hot to the point of blue discoloration.

A diamond pick is the standard pick I use on most all pin and wafer locks. A small diamond

pick is used for small pin tumbler locks such as small Master padlocks, cabinet file locks, etc.

The tubular cylinder lock pick, we will discuss later. The double-ended, single-pronged

tension wrench is used with the diamond pick. It features double usage; a small end for small

cylinders and a large end for the larger cylinders. A special tension wrench is used for

double-wafer cylinder locks with an end with two prongs on one end and tubular cylinder

locks with the single prong on the other end. We will discuss tubular cylinder and double-

wafer locks later as well. The steel should be .030 inches to .035 inches thick for the picks

and .045 inches to .050 inches thick for the first tension wrench mentioned above. The

second tension wrench should be .062 inches square (.062 inches x .062 inches) on the

tubular cylinder side (one pronged end), and .045 inches thick on the double-wafer end (two-

pronged end). You can accomplish this by starting out with .045 inches in thickness. The

two-pronged end should be bent carefully in a vise at a 30 degree angle. This allows easy

entry for the pick on double-wafer locks.

Among the more common tools used by professionals around the world is the rake pick. The

rake pick is used to "rake" the tumblers into place by sliding it in and out across the tumblers.

I seldom use the rake pick because it is not highly effective and I consider it a sloppy excuse

for a lock pick. I've seen the rake pick work on some difficult locks, but you can rake with a

diamond pick and get the same results. I prefer the diamond pick for most tumbler locks

simply because it is easier to get in and out of locks-it slides across the tumblers with little or

no trouble.

A ball pick is used for picking double-wafer cylinder locks, though I never carry one; I use a

large diamond pick and reverse it when picking these locks. This means I have one less pick

to carry and lose.

A double-ball pick is used like a rake on double-wafer locks in conjunction with a tension

wrench (two-pronged end).

A hook pick is used to open lever tumbler locks, though again, I use a diamond pick with a

hooking action when possible. There are various sizes of hooks but they all have the same

basic job-to catch the movable levers that unlock lever locks.

There are also various sizes of tension wrenches. They are usually made from spring steel.

The standard tension wrench is used for pin and wafer locks. A special tension wrench is

called a Feather Touch, and it is used for high security mushroom and spool pin tumbler

locks. Its delicate spring-loaded action allows the pick to bypass the tendencies of these pins

to stick. A homemade version of the Feather Touch can be made from a medium-light duty

steel spring.

As to getting lock picks for your own use, you cannot go down to your local hardware store

and buy them. I could supply you with some sources or wholesalers, but I do believe it is

illegal for them to sell to individuals. Your best bet would be to find a machine shop that will

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摘要：

SECRETSOFLOCKPICKINGByStevenHamptonoriginallypublishedbyPaladinPress(c)1987(don'tletthedatefoolyou.Thisisgoodstuff)ContentsIntroductionToolsLockIdentificationPinTumblerLocksWaferTumblerLocksDoubleWaferLocksPinandWaferTumblerPadlocksTubularCylinderLocksMushroomandSpoolPinTumblerLocksMagneticLocksDisk...

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Hampton, Steven - (Illustrated) Secrets of Lockpicking

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