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Thermdrill® process – The solution for wobbly rivet nuts!

Every metal worker knows the problem that comes along with rivet nuts. They can get wobbly or loose especially when it is used for connections with dynamic load or vibrations. These type of connections are not only time consuming but also cause high costs for rejects or complaints by customers.

As a manufacturer of thermal drills made out of solid carbide – also known as flowdrill – we are providing a genuine alternative to inserts like rivet nuts, weld nuts or similar inserts. The Thermdrill® process is an amazingly simple and extremely cost-effective method to produce solid and wobbly-free screw connections.

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Illustration of the Thermdrill guidebook. Everything good to know about screw connections with thin wall-thicknesses and usage of the Thermdrill process

Secure screw connections in pipe, profile and sheet metal

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The Thermdrill® procedure

The so-called Thermdrill – also known as a flowdrill – is used like a conventional spiral drill. While thermal drilling or flow drilling, no chips are produced. The existing material is displaced and formed into a bushing by means of friction heat.

All about thermal drilling >

Your benefits

  • Maximum Safety
    due to wobbly-free threaded bushings
  • Saving in time
    only two work steps required
  • Enormous Cost Saving
    due to durable hard metal tools


  • Maximum safety for your products
  • 100 % twist proof and wobble free
  • Suitable for alu, brass, copper, steel and stainless steel
  • Applicable from 1,0 mm wall-thickness
  • All standard threads availble metric M3 to M20, pipe threads etc.
  • Works on CNC–centers, milling and pillar drilling machines

What others say

Listen and see what our customers and partners worldwide are saying about Thermdrill®

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