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Metric Nuts
Metric nuts are the world standard, and we carry mosts types you may ever need
here at There are quite a few factors which determine the
durability and stress bearing strength of a particular fastener, including material, how
the fastener was heat treated, and the major diameter of the threads. The strength of
metric nuts is determined by standards known the world over in the fastener industry.

Metric Nuts: Standards Issue
The rating system for commercial grade fasteners among the world of metric nuts
and bolts is known as the "property class" numbering system. The Society of
Automotive Engineers, on the other hand, uses a symbolic rating system that is used
in product labels for fasteners. This is to avoid the problem of counterfeit
manufacturers selling cheaper, lower quality fasteners.

The main thing to keep in mind is that the little symbol used in the SAE system is a
means of assuring quality. Such fasteners are designed to withstand grade 8
specifications. The same is not true of metric fasteners. A metric nut or bolt can be
manufactured to withstand various grade standards. Some metric fasteners are
marked for quality assurance, while others aren't.

This is why you need to make sure you are buying from someone you can trust. We
at have been in the fastener business for over 20 years. We carry
only the highest quality fasteners, designed and approved to withstand the most
stressful conditions. We stand behind the quality of all our products, metric or
Copyright 1996 - 2009 Northeast Fasteners Co., Inc.
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