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Understanding Breakstem Fasteners: A Quick Guide

  • avlockinternationa
  • Apr 23
  • 1 min read
Understanding Breakstem Fasteners: A Quick Guide
Understanding Breakstem Fasteners: A Quick Guide

In the world of fasteners, breakstem fasteners play a crucial role in joining materials quickly and reliably, especially when access is limited to only one side of a structure. These fasteners are a go-to solution in industries ranging from aerospace to automotive, and even in DIY home repairs.



What Are Breakstem Fasteners?

Breakstem fasteners consist of a tubular body and a mandrel (or stem) that is pulled through the body to expand it. As the mandrel is drawn in, it creates a bulge on the blind side of the material, effectively clamping the materials together. Once the correct tension is achieved, the stem snaps or "breaks" off—hence the name breakstem.



Key Benefits

  • Blind installation: Perfect when you only have access to one side of the workpiece.

  • Speed: They allow for fast assembly with minimal training.

  • Consistency: Provide uniform clamping and joint integrity.

  • Versatility: Available in various materials and sizes for different applications.



Where Are They Used?

Breakstem fasteners are ideal for:

  • Joining sheet metal in aircraft or vehicles

  • Assembling enclosures in electronics

  • Quick repairs in field service applications


Whether you’re working on a production line or fixing a metal panel in your garage, breakstem fasteners offer a secure and efficient fastening solution.

 
 
 

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