Bookmark and Share ProductsDesignCompanySupport

Precision Hobbed Pulleys, Sprockets, Bar Stock, Clamp Plates

Onvio pulley products are the result of decades of manufacturing experience in timing belts and precision motion control products. World Class facilities in Salem, NH (Corporate Headquarters) and Puebla, MX (ISO 9001:2000) provide globally competitive products. We offer a wide selection of materials and can provide complete secondary machining and "value added services" on all products.


Standard Pulleys

Standard Pulleys / Sprockets

  • Stamped Steel Flanges
  • Standard Hubs
  • Pilot Bore or Finished Bore
Modified Pulleys

Modified Pulleys / Sprockets

  • Stamped Steel or Custom Flanges
  • Double, and Triple Pulleys
  • Keyways, Set Screws, Counter-bores, Custom Hubs, Snap Ring Grooves, Precision Shafting, Tapered Bushing prep, V -Guides
Timing Pulley Bar Stock

Timing Pulley Bar Stock

  • Lengths up to 24 inches (based on pitch and tooth count)
  • …or let Onvio provide finished pulleys to your drawing!
Clamp Plates

Timing Belt Clamp Plates

All popular belt pitch configurations

  • Groove Plate and Flat Plate
  • Complete sub-assembly products
Value-Added Services and Sub Assemblies

Value Added Services &

Modified Pulleys, Sprockets and Machined Components

  • Bearings, Snap Rings, Dowel Pins, Spring Pins, Thread Inserts, Bushings, Specialty Hardware, Precision Shafting, …and more

Need a custom pulley?


Download Worksheet


Need assistance?
Call customer support at
866-685-0404 (toll-free)


Email Customer Support