Friday, 16 November 2012

Things First-Time Buyers Should Know About Bolts And Studs

By Daniel Lonney


A bolt is defined as a headed fastener with external threads that meet an exacting, uniform bolt thread specification. On the other hand, a stud is a type of fastener that doesn't have a head. The stud's shaft is threaded on both ends and may or may not have an unthreaded section in the middle.

Both bolts ans studs have to be compliant with the American Society for Testing and Materials specifications. Common examples of ASTM-compliant bolts and studs are A193 B7 Studs and A193 B7 bolts, respectively. Bolts and studs can be made from these materials: different types of metals, super duplex stainless steel and brass.

Given their similarities, it's not uncommon that some have interchangeably used these terms. Indeed, that is not really surprising especially since both perform the same function. They fasten two separate objects together through the use of a nut or nuts. However, it's the difference in their structure that determines when and how to use each.

Another difference between a bolt and a stud is in the way they react to strain. A stud will not come into contact with a twisting force, only a pulling force. While a bolt will experience both pulling force along its body and a twisting force around its head. For this reason, a stud would be ideal situations where it will be subjected to a lot of movement, such as in automotive works.

When it comes to price bolts are relatively cheaper than studs. This is because bolts are easier to manufacture in huge quantities. Bolts are also easier to source out because there are businesses like nuts and bolts suppliers and super duplex bolts suppliers that sell bolts online. For this reason, bolts are a more practical option for buyers who have constant fastening needs.

This of course doesn't mean that sourcing out studs is difficult. With the proliferation of specialty nuts and bolts supplier online, finding the right bolt or stud for whatever project you have is really easy. Just make sure to keep the differences between bolts and studs in mind. This way, you get the kind of product that you need.




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