What is a pipe bending spring? 

     
     
  Shop for Pipe Bending Springs 
     
     
 pipe bending spring, Internal Bending Springs Monument Internal Bending Springs with square section spring steel with a polished finish for internal bending of copper pipes. The size of the spring corresponds to the inside diameter of tube into which it is to be inserted. Monument 830V Copper Bending Spring. Size: 15mm. 

A pipe bending spring is a strong, flexible spring that is inserted into (or over) a pipe to support the walls of the pipe when manually bending. 

 
     
   

What are the different parts? 

 
 pipe bending spring, Internal Bending Springs Monument Internal Bending Springs with square section spring steel with a polished finish for internal bending of copper pipes. The size of the spring corresponds to the inside diameter of tube into which it is to be inserted. Monument 830V Copper Bending Spring. Size: 15mm. 

A pipe bending spring doesn't have parts as such, but it does typically have some features worth noting.

 
     
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Ring end

Most models of internal pipe bending spring will have a ring on one end so that a piece of wire or string can be attached to it.

 

This makes retrieving the spring after each use much easier.

 
     
 Internal pipe bending spring labelled, pipe bender, spring, Internal Bending Springs Monument Internal Bending Springs with square section spring steel with a polished finish for internal bending of copper pipes. The size of the spring corresponds to the inside diameter of tube into which it is to be inserted. Monument 830V Copper Bending Spring. Size: 15mm. 

Tapered end - Internal

The tapered end of an internal bending spring is slightly thinner, allowing you to feed it into the pipe with ease.

 
     
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Tapered end - External

On an external bending spring, the tapered end is wider making it easier for you to insert the pipe inside. (Note that you don't need a ring end on an external pipe bending spring)

 
     
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