Superior quality of thread

Rolling process is recommended when threads are required with superior tensile, shear, and fatigue strength. Other processes like turning, milling and grinding remove material to produce the thread form, but thread rolling displaces the material with hardened steel dies. Rolling dies typically have a hardness between a range of RC 58-63 and there is a specific set of dies for each thread size and each thread form.  
  • Static tensile tests on parts formed through thread rolling show overall increases in strength of about 30 percent.
  • Fatigue strength is improved by 50-75 percent.
  • Tests on bolts first heat-treated to a hardness of 35-40 Rockwell C and subsequently rolled show even greater fatigue strength.

Profimach PRT-Series

Affordable quality thread and form rolling machines

2 - Roll Machines

Go to two roll machines

3 - Roll Machines

Flat - Roll machines

High benefits of Thread rolling process are:
✓ Lower costs
✓ Increased production
✓ Faster lead times
✓ Superior quality and accuracy:
 ○ Stronger threads
 ○ Improved finish
 ○ More accurate profile

More info on this product?

 West Europe :

Call +32 475.736.351 - Patrick (Nederlands,  Français,  English, Deutsch )

East Europe :

Call +40 722.346.170 - Cézar (English, Français, Română) 

or call +40 755.088.805 - Catalin (English, Română)