Usually, one tends to ignore the simple things in life. Similarly, you could see many people not giving much attention to the affixing of the appropriate kinds of screws in the important parts of the machinery.

1. Gauges are essential for
ensuring incident free
functioning
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2. Usually, one tends to ignore the simple things in life.
Similarly, you could see many people not giving
much attention to the affixing of the appropriate
kinds of screws in the important parts of the
machinery. Naturally, this could be serving an
invitation to disaster. People might argue as to what
a simple screw can do. You should send these people
on an airplane with a couple of ill-fitting screws. They
would never make such silly statements again in
their lives.
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3. That is if they manage to return in one piece. Jokes
apart, we are trying to imbibe the importance of the
most humble screw and the nut in the role of the
functioning of any kind of machinery. This makes it
imperative that the industry demand for checking
each screw for its tolerance level before stepping out
of the industrial compound. The best instruments
that can measure and check the tolerance levels are
the thread gauges.
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4. Different Kinds of Gauges
The thread gauges are two types in general. They are
the thread ring gauges and the thread plug gauges.
Both these gauges have their own use and
importance. We shall see them during the course of
this article. It is logical that there have to be two
kinds of threads, the external one, and the internal
one to ensure a perfect fit. Even if one of the two
does not fit properly, you would end up with a
malfunction.
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5. The Ring Gauges
The thread ring gauges would be the perfect tool for
measuring the pitch and the tolerance levels of the
screws. The industry makes use of two kinds of ring
gauges. They have very apt names such as the Go
ring and the No Go ring. Their functions are obvious
as well. The name suggests that the screw should
easily pass through the Go Ring while failing to do so
with the No Go ring. This is the fitness test for these
screws. Every screw has to pass this test invariably
before gaining an entry into the market.
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6. The Plug Gauges
Just as there are instruments with external threads,
there are instruments having internal threads as
well. They also require passing the quality checks.
You have the thread plug gauges to do so. Here also,
you have the Go and the No Go concept, but with a
difference. In the earlier instance, you had the screw
going through the rings. Here you have the Go side
of the plug thread gauge going through the
instrument. Similarly, the No Go side should not do
so. This is the simple test for every threaded
instrument for determining its tolerance levels.
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7. The Advantages:
The advantage of this test is that you get screws and
other instruments with good quality and working
threads in the market. This would ensure a correct
fit. The second advantage of this method is that it is
very easy for one to conduct these tests. Even an
engineering apprentice worker can do it. However,
the industries have mechanized these options today
thereby reducing the need for human labor. This can
increase the productivity as well.
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