Thread Rolling Dies

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Spline Rolling Machine

Spline Rolling Machine

Spline Rolling Machine is inherently accurate, with surface finishes of 3 to 6 micro-inches obtainable by rolling.

Experience Custom Gears

Experience Custom Gears

Founded in 1975 by six brothers, Six Star owns 40 years of experience on manufacturing precision gear products.


Thread Rolling Dies Manufacturer - Yieh Chen

Based in Taiwan, Yieh Chen Machinery Co., Ltd. is a spur gear and helical gear | Thread Rolling Dies manufacturer with over 31 years of experience in gear industry.

With CNC gear machining, ISO certification and advanced software, Yieh Chen's high precision spur gears and helical gears are built with excellency.

Along with Spur Gears and Helical Gears, worm shafts, spiral bevel gears, bear boxes, gear pumps and gear racks are provided as well. All gears can be custom-made with innovative solutions to meet each customer's demands.

Thread Rolling Dies

Any Kind of Thread can be made such as UNC, UNF, BSW, Metric, ACME, Ball Screw, even Tube Thread.

Standard Thread Rolling Dies:
  • Single-Thread
  • 60°V-Type Teeth, Pitch 0.5 - 5.0mm
  • 55°V-Type Teeth, 40TPI - 5TPI
  • 90° Knurling Thread, and 40TPI - 18TPI
  • Parallel Thread
Special Thread Rolling Dies:
  • Over than Single-Thread
  • 60°V-Type Teeth, Pitch Out of 0.5mm - 5.0mm
  • 55°V-Type Teeth, Out of 40TPI-5TPI
  • 90° Knurling Thread and metric size pitch
  • Spline
  • Worm Thread, ACME Thread, Buttress, Cycle Thread, Bottle Closure Thread, and..etc.
  • Taper thread
  • For rolling special material, Ex. SUS, Alloy Steel and hardness over than RC20
How to Order Thread Rolling Dies:

Please Offer Below Data:

  • Machine Model or Rolling Die dimension (O.D., I.D., Keyway)
  • Shape of Workpiece (Thread Length, thread Profile, Pitch or Thread per Inch, Thread Major Dia., Pitch dia., Material).
  • Please specify through or in-feed rolling.
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