Also known as a roll pin, a spring pin is a type of fastener that is used to connect two or more machine parts.
+In this installment of our blog series, All About Springs, we focus on torsion springs. Like compression springs and extension springs, you’ll find torsion springs in a wide range of everyday products.
+If you want to see a prime example of an extension spring, take a look at a trampoline. All around the parameter, attaching the canvas to the frame, are extension springs.
+As simple as they may seem, springs play a vital role in modern life. You can find them just about everywhere, including in nature.
+Do you have to jiggle your key to get it to work? Or pull it slightly out of the lock before it will turn? Do you have a spare key for your home in the event that you're locked out? It may be time to get a duplicate key made.
+Springs not only vary by design, but also in the materials used to make them. In fact, when you choose a spring material, you are making an important decision about how your springs will perform. The spring material used for the construction of your springs will affect how well they do their job in your application, due to the attributes that material offers.
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