How to Buy Nuts Bolts and Washers for Tractor Repairs .pdf
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How to Buy Nuts Bolts and Washers
for Tractor Repairs
Farm tractors are designed to be tough. Farmers and ranchers who purchase
a tractor expect them to withstand constant, rough use and last for
generations. It’s very common to see old tractors still going strong decades
after automobiles of the same vintage are in the scrapyard. Part of the
reason for that is that farmers are very handy at fixing their tractors when
they break down.
Tractors are simpler to run and to repair than most cars. They’re used to
produce income, so farmers can’t afford to wait when their tractors require
maintenance or repairs. That encourages farmers to become their own
mechanics. Many farmers have tools that are more commonly found in a
machine shop or a mechanic’s garage, like welders and sheet metal presses.
They also buy nuts bolts and washers in bulk packages from suppliers like
Marafast.com to make sure they have exactly what they need on hand when
a repair is necessary.
Watch Out for Vibration
One aspect of the operation of a tractor that poses a unique problem for
farmers is vibration. The nature of farm vehicles and the unpaved surfaces
they drive over increases the amount of vibration for every part. A regular
mechanic might buy nuts bolts and washers in large assortments, with the
majority being used in combination to hold components together. That’s not
always possible for farm equipment. For example, a large amount of a
tractor’s parts are made from stamped sheet metal, and the fastener of
choice for holding them together is the sheet metal screw.
Sheet metal screws are much less susceptible to coming loose due to
vibration. By their nature, sheet metal parts will vibrate more than solid
steel parts like the chassis of a tractor. Sheet metal screws are very
convenient for after-market work as well. If you need to mount something to
a sheet metal cowling on a tractor, you can pre-drill a hole and send a sheet
metal screw in to finish the job. They produce their own threads as they’re
being driven home, and they hold tight under a lot of vibration. They’re not
nearly as strong as assemblies held together with nuts bolts and washers,
Buy Nuts Bolts and Washers When Strength Is the Key
Whenever large assemblies need to be attached to the chassis of a farm
implement, farmers buy nuts bolts and washers to do the job. Because they
go clear through the assembly and the frame, they are much sturdier. The
force that is necessary to shear a common bolt is many magnitudes greater
than the amount needed to overcome the friction in a sheet metal screw
assembly. The trick is to buy nuts bolts and washers that won’t vibrate loose
under heavy use. Choose assortments that feature lock washers and locking
nuts to better withstand the shaking that a farm tractor will see during use.
Try liquid fasteners to further avoid problems with vibration. If the
components on the tractor are made from a softer metal like aluminum,
make sure to use a fender washer underneath a lock washer that might cut
into the aluminum under heavy use.