Introduction

• DM flow-drilling tools reshape metal to create strong threaded bushings. Standard bits maintain a raised collar; flat bits deliver a smooth appearance. They offer long life, clean forming, and compatibility with many tapping systems. Popular in automotive, bicycle, stainless metal furniture, aircraft components, heating units, lighting fixtures, and cooling-fluid systems.

  
  

  

Key benefits

• Guide to Choosing Thermal Friction Drill Bits

  Thermal friction drill bits come in two main types: standard round-mouth and flat-mouth (planed) designs.

  Standard Type: Forms an extrusion sleeve while also creating a raised collar on the surface.

  Flat Type: Produces the same extrusion sleeve but simultaneously removes the surface collar, keeping the surface smooth.

  
  

  Advantages of DM Thermal Drill Bits

  Chipless forming with high tensile and torsional thread strength.

  Zero chip generation—no need for waste removal.

  High accuracy when forming collars and bushings.

  Compatible with most tapping machines.

  High speed, long service life, and increased productivity.

  Suitable for a wide variety of materials that support thermal drilling.

  
  

  Typical Applications

  Extended thread requirement

  Welded structures and multi-layer heat exchangers

  Bearing housings

  Stainless steel architectural components and metal furniture joints

  
  

  Industries Served

  Automotive manufacturing

  Bicycle production

  Stainless steel furniture fabrication

  Aerospace

  Central heating systems

  Lighting equipment manufacturing

  Machinery and metal construction

  Electroplating and coating industries

  Liquid-cooling tubes

  
  

Customer Testimonials

• 

  Martin Keller

  ★★★★★

  Germany

  " We switched to DM flow-drill bits last year and never looked back. The tool life is outstanding and the holes are perfectly extruded every time. The best thermal drill bits for industrial shops. "

  

  Jacob Thompson

  ★★★★★

  USA

  " Great performance! These thermal drilling tools form strong bushings without cracking the material. DM flow-drill bits outperform everything we used before. "

  

  Sofia Ramirez

  ★★★★★

  Mexico

  " DM thermal drill bits give us clean, accurate holes on aluminum frames. No chips, no mess, and incredibly stable temperature control. Perfect tools for high-volume production. "

  

  Oliver Bennett

  ★★★★★

  United Kingdom

  " The consistency of these flow-drill bits is unmatched. Perfect extrusion height and excellent wear resistance. DM thermal drilling tools are worth the investment. "

  

  Derek Wilson

  ★★★★★

  Canada

  " These thermal drilling tools produce strong sleeve-like holes without secondary processing. DM flow-drill bits reduced our cycle time by 40%. Excellent quality. "

  

  Arjun Patel

  ★★★★★

  India

  " We use DM thermal drill bits for large batch orders. Zero failure rate and very long lifespan. These thermal drilling tools have become our factory standard. "

  

  Chris Evans

  ★★★★★

  Italy

  "Durable, efficient, and precise—this CNC drilling machine has been a valuable addition to our workshop!"

  

  Ahmad Yusuf

  ★★★★★

  Indonesia

  " DM flow-drill bits are extremely reliable. The hole forming on steel frames is always clean and precise. Perfect for automotive parts manufacturing. "

  

  Emilia Novak

  ★★★★★

  Poland

  " High stability, no burrs, and very strong threaded sleeves. These thermal drill bits perform better than the German brands we used before. Very impressive tools. "

  

  Samuel Okoro

  ★★★★★

  Nigeria

  " Our metal fabrication team loves DM thermal drilling tools. Smooth forming and long service life. These flow-drill bits help us achieve excellent accuracy. "

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