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 A Tradition of Percision Machining Since 1940 

Thread Rolling

Schaffner Machine Company specializes in standard and ACME rolled threads. We work with outside diameters up to 1" on standard threads and 3/4" on ACME threads. We can thru-feed bars up to 14' in length or add as little as 3/16" of thread to your part with in-feed thread rolling. As your complete machining solution, we can provide CNC turning and milling services for secondary operation on your threaded parts. Whether you need a dozen custom threaded eye-bolts or thousands of turnbuckles SMC is your complete thread rolling solution.

Thread Types:

  • UN Threads (UNJ, UNF, UNC, UNS & UNR) 
  • Military Threads 
  • ACME Threads 
  • Metric Threads 
  • Worm Threads 
  • Knurls 
  • Both right-hand and left-hand threads 

  

The benefits of thread rolling over cut threads

  • Cost Savings: less raw material needed (typically 15% to 20% savings) and no wasted material 

  • Precision: smooth uniform threads over long runs 

  • Quality: superior thread finish extends the life of your parts 

  • Strength: cold-working the material during thread rolling results in increased tensile load, tensile stress, and structural integrity than in an equivalent cut thread (e.g. ¾-10 UNF 2A) 

 Types of Parts:
● Lead Screws
● Turnbuckles
● Eyebolts, Fasteners, Threaded Studs, Bolts
● Actuator Screws
● All Thread (i.e. 12’ fully threaded bars)
 Applications:
● Wheel Alignment Systems 
● Precision Honing Equipment
● Brake Lathes
● Hospital Beds
.

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Schaffner Machine Company Has Been Serving Industry Over 60 Years Through 4 Generations