Ball screws are the specialty of Thread-Craft Inc.

Thread-Craft Inc. Thread-Craft Inc.

Manufacturer of Ball Screws & Ballscrew Repair

 

Ball Screws

Thread Craft Inc. has been a first-class manufacturer of ball screws since 1958. We are specialists in new design, repair, engineering services, or OEM replacement of precision or rolled ball screws. Our climate controlled plant features all state-of-the-art CNC equipment for turning, milling, precision I.D. and O.D. grinding for ball screws. We have 70 + skilled, in-house machinists, technicians and engineers to provide the finest linear motion products available anywhere, at a competitive price. We also provide 24 hour emergency service anywhere in North America. Our O.E.M. replacement parts meet or exceed the quality and reliability of the original equipment, and we have an extensive library-archive of technical specifications. Thread-Craft is an ISO 9001:2000 Registered vendor. References furnished upon request. Let us quote your next job.

Our precision ground ball screw assemblies feature the following:

  1. Ball screw
  2. Ball nut
  3. Return system
  4. Ball bearings
  5. High carbon alloy or stainless steel used
Manufactured to the following specifications:

  • 10 mm diameter and larger
  • Lengths up to 31 ft.
  • Virtually any material and any return systems used-made from your sample or print
  • Internal and external return systems
  • 0.0002 lead error per foot or better upon request
  • 12 month in-service warranty
 Ball Screw

Rolled Thread Ball Screws

Our commercial ball screw assemblies are for non-precision applications:
  • ½" to 4" diameter
  • Variety of leads
  • 0.005 lead error per foot
  • 12 month in-service warranty
 Ballscrew

OEM Replacement Ball Screws & Acme Retrofit Ball Screws

  • ½" to 6" diameter
  • 2mm to 2" leads
  • 0.0005" lead accuracy per foot
  • Internal style return system
  • External style return system
 Ball Screw

Lubrication:

Oil - is preferred
Vactra #2 oil is used on smaller machines
Vactra #4 is used on larger machines

 Grease
Mobilgrease 28 used for break-in
Kluberplex BEM 34-132 used for lifetime

ISO 9001:2000 Registered

Ball Screw Life Expectancy Factors:

  • Engineering standards
  • Accuracy in machining
  • Proper installation
  • Acceleration and deceleration factors
  • Lubrication
Thread-Craft provides the finest ball screw products at competitive prices and a one year in-service warranty.


Thread-Craft Inc.
Thread-Craft, Inc.
43643 Utica Rd.
Sterling Heights, MI 48314
Ph: 586.323.1116
Fax: 586.323.1910


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