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Published on: 25 Mar 2017 by metricfasteners


From hex head cap screws to metric pull
dowel pins, Lightning Bolt is the premier source for Metric fasteners.


Core Metric fasteners that we stock


Hex cap screws: Class 8.8,
Class 10.9, A2 Stainless, A4 Stainless

Socket head cap screws

Shoulder Bolts

Eye Bolts

Stud Bolts

Socket set screws

Nuts, Washers, and even metric
nord-lock washers.


As you can see, metric fasteners come in a
variety of options with different features and consisting of different
materials. Choosing which type of metric fastener to use for a particular
project may be best left to the advising engineer or project manager if working
on an industrial or construction site. To get a few basics on metric fasteners,
read on to learn more about these highly significant bolts that can make or
break a structure.


of Metric Fasteners


The composition of a metric fasteners
consists of three main ingredients:


1. Plating is the type of covering material
that may be overlaid on top of the bolt. Zinc chromate, is a popular
electroplating that is performed to prevent corrosion, but it may be added as a
decorative feature.


2. Grade explains just how much pressure
the fastener can withstand before it is expected to break or fracture.  Common grades include class 8.8, class 10.9
and class 12.9.


3. Material is what actually composes the
bolt. Common materials are steel, stainless steel, brass, etc.


4. Dimensional  – Diameter, Pitch, and Length are very
important.  Dimmensional tollerances can
be found in the ISO, EU, and DIN standards.


Currently, there are three different metric
specifications that fall under SI: DIN, ISO, and ANSI/ASME. Most metric
fasteners will be manufactured to meet these three standards making them
interchangeable. However, it is important that you check the metric
specifications carefully so the correct bolt is selected and the integrity of
the job maintained.  Metric fasteners are
part of the metric specifications under the International System of Units, or
SI. This standard measurement system is recognized worldwide allowing for a
universal set of specific measurements to be understood and followed.



US:  - Lightning
Bolt & Supply has been committed to exceeding our customer’s needs by
providing superior service. As an industry leader, we have received several
nationally recognized innovation awards including “Most Innovative Company” from
Maintenance & Technology and also WBEA. 
We would like the opportunity to know more about you. Please contact us
today and allow us to prove how we can be an integral part of your supply





Bolt & Supply Inc

 10626 S Choctaw Dr
Baton Rouge, LA 70815

PH: (225) 272-6200

E-mail - [email protected]



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