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Nuts
Lock
Nuts:
Locknuts are used where there is
a significant probability that a nut will loosen
over time. Because of vibration or frequent temperature
changes.
When
the danger of corrosion is not too severe and
18-8 or 316 Stainless is adequate for fastening
we would offer Nylon Insert Locknuts. These nuts
feature a nylon ring that compresses against the
bolt threads as the nut is tightened.
In
instances where common stainless would not be
adequate to withstand corrosion and a locknut
would be required, we would recommend a top-lock
nut. These nuts are produced by crimping the top
thread of a standard hex nut. When top-lock nuts
are assembled, they should spin freely until the
lead thread of the bolt meets the distorted thread
in the nut. The more the nut is torqued from this
point, the greater the effort for disassembly
becomes.
Nickel
Systems stocks Nylon insert locknuts in 18-8 and
316 Stainless. We stock some top-lock nuts in
Alloy C276 (Hastelloy® C) and Alloy 20 (Carpenter
20®). Within a reasonably short lead-time
we can provide top-lock nuts in Hastelloy®
(Alloys C22, B2), Inconel® 600 (Alloy 600),
AL6XN®, Duplex 2205, Nitronic 60® (A194
8S - Finished Pattern), and 317L Stainless as
we stock standard hex nuts in these materials.
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