NUT AND THEIR TYPES
What Is a Nut?• A nut is a fastener with a threaded hole.
• Nuts are habitually used with a bolt,
mating together to hold two objects
together.
• A bolt or screw with an undercut is
inserted through a hole and are secured
with a nut, promoting sturdiness.
• Lock nuts prevent the loosening of
bolts.
Acorn Nut1. These nuts are a combination
of Hex nut and Cap nut.
2. Coming under the cap - nut
fastener category, they have a
domed crown covering the
bolt.
3. The cap gives the protruding
bolt a finished look, avoiding
its contact with any other
surface.
4. There are two types of acorn
nuts, standard acorn nuts that
have a round cap and high acorn
nut, which has a slightly raised
crown to cover extra-long studs.
5. Manufactured in Steel, Brass,
Nylon, Stainless Steel, they also
come with Nickel plating along
with a mirror finish.
T - Nut:1. Also known as Tee or blind nut, these
fasten wooden work pieces and other
composite items.
2. It has a long body, with a head at one
end resembling a T-shape.
3. When driven into wood, T – nuts
create a threaded hole.
4. When used with flanges, they offer
good retention and polished surface.
Square Nut:1. It is a four – sided nut with larger
contact surface with greater
resistance to loosing.
2. They are often used with flat
washers to prevent damage to the
surrounding item.
3. They provide quick gauge as the
nut and the head bolt sit parallel to
the railway tracks.
Coupling Nut:1. A coupling nut is a threaded fastener.
2. Commonly known as an extension nut, it
has threads on the inside, to accept male
threads in the form of a threaded rod or
pipe.
3. They are produced in metal, PVC,
Carbon, Steel, Brass, Aluminium, etc.
4. These nuts can come in many shapes,
tightening a rod assembly inwards or
outwards.
Flange Nut: It has a side that is flat-shaped;
helping it to function as a washer too.
The nut dispenses its retaining power
evenly over the object surface,
permitting quick fastening.
They are used to fasten wood and
plastic.
They are often serrated i.e. saw –
edged, biting into any material easily.
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