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A tap and die set is very easy to use and although primarily used with metal, a tap and die can be used on other materials as well. However, if you are working with concrete it is advised that you use masonry drill bits instead as they are more successful with concrete.
Citation preview
How to Become a
Professional at
Threading
DIY SERIES
How to Become a Professional 3
at Threading
How To Salvage a Disaster Job 10
Table of Contents
How to Become a Professional at Threading
We all, at some time in our lives,
have stripped out a bolt or nut. Okay,
so now you feel you have a big
problem that you cannot solve no
matter how much time and effort you
have put forth. You have called your
closest friends and still there is no
answer to your problem. Slowly but
surely the realization sets in that you
are going to have to call a professional
in the area in which you are having a
problem. As the realization becomes
more evident, so does a sick feeling in
your stomach because you know there
has to be a simple way to fix this if
TAP AND DIE
only you knew what it was. You call
the professional and he has to make
room for you in his schedule. So, you
wait a few days and finally he shows
up to fix the problem. He fixes the
problem so fast that it makes your head
spin. He then charges you an outra-
geous fee and you reluctantly pay him.
Don’t you wish you could have
avoided all this time, effort and money?
Well, here is the good news, you can do
anything you want to do and with a
little help from articles like these and
the right tools at your disposal, you can
MASONRY DRILL BITS
do it quite easily.
Such is the case when it comes to
threading. We all, at some time in our
lives, have stripped out a bolt or nut.
This happens when a bolt is threaded in
the wrong way into a nut. This is also
known as cross-threading. Or you are
tightening down on a bolt and you put
just a little too much torque and the
head of the bolt snaps off and your left
with part of the bolt in the piece with
which you are working.
What kind of tool can save this day?
Enter the tap and die set. This is a tool
TAP AND DIE
that has a history of centuries behind it
and it can rescue this project previously
doomed for destruction. But just how
does the tap and die set work?
The tap is used to thread the female
portion of a joint and the die is used to
thread the male portion of the joint.
To use the tap and die is very
simple. First, if you have a need of
threading the female portion, drill a
hole just a little smaller than the
diameter needed for your bolt.
You then insert the tap using a
specially constructed handle that comes
MASONRY DRILL BITS
with the set. Apply a little bit of
synthetic lubricating oil to the threads
and slowly begin to turn the handle.
Be careful to make sure the handle
is perfectly vertical to the piece you are
threading. With a little practice you
will become a pro at no time at all.
The die part is used to thread the
bolt or male portion of the joint. Again
buy a rod that is slightly smaller than
the desired diameter and use the other
handle supplied with the set and slowly
begin to twist the die down on the rod.
As you do this, the die cuts threads into
TAP AND DIE
the rod.
As you can see, a tap and die set is
very easy to use and although primarily
used with metal, a tap and die can be
used on other materials as well.
However, if you are working with
concrete it is advised that you use
masonry drill bits instead as they are
more successful with concrete.
MASONRY DRILL BITS
How To Salvage a
Disaster Job
Okay, you are working and on your
car and there is this bolt that is being
stubborn and will not exit no matter
what you have tried. So, you get a
larger ratchet and or maybe a pipe to
help you create more leverage to make
the bolt exit by force. Well, too much
force is exerted and the bolt breaks
with half of the shaft still in the part
you with which you are working. Now
you have a mess.
This is where a lot of people will call
a professional mechanic and pay a lot
of money to have the mechanic fix a
TAP AND DIE
problem that could have been easily
solved if you had the proper equip-
ment. What proper equipment is that? A
problem like this can be easily solved
with a tap and die set.
So, now you have this big problem
but how does this tap and die set fix
your mess? First, you get a regular
twist drill bit with a dependable drill. It
is recommended that if you have access
to a drill press to use this machine for
this job.
A drill press will give you more con-
sistency both with speed and direction.
MASONRY DRILL BITS
With a drill press you do not have to
worry about drilling at a wrong angle
and permanently messing up the part.
So you drill the stud or shaft out of the
part. It is important to use a drill bit of
the exact diameter needed.
Now, that you have a hole suitable
for the job, it is time to go to next step.
There are two parts of the tap and die
set. The tap is used to thread the female
potion or “nut” of the threading process
and the die is used to thread the male
portion or “bolt.” After a hole has been
made of the proper diameter, insert the
TAP AND DIE
tap into the hole with the “T” handle
attached to the shaft of the tap. Turn the
tap ever so slowly and carefully.
Remember you are cutting threads
into the metal and if you do this wrong
you will have to start the process all
over again and you will have to use a
larger bolt.
As you turn the tap make sure the
shaft of the tap is perfectly vertical to
the piece of equipment in which the
work is being done. It is recommended
that you use a synthetic cutting oil to
lubricate the tap as it cuts into the
MASONRY DRILL BITS
the metal.
When you get to the desired depth
slowly reverse the action and back the
tap out of the hole. Really that is all
there is to it. The “die” part of the
process will be discussed in another
article.
Not only will a tap and die set get
you out of a mess; if you need a brand
new hole and wish to thread it for use
with a bolt, you can use a metal hole
saw to drill a hole in the metal and then
follow up with the tap.
A metal hole saw is a perfect way
TAP AND DIE
to drill a perfect hole in wood or metal.
MASONRY DRILL BITS
For more information about how to use a
tap and die or how they work with masonry drill bits,
please check out
www.hermanscentral.com