Circular Technologies - Quality Products for over 35 years

Timing Pulleys & Pulley Stock

All pulleys begin with in-house hobbing into pulley stock - Save time & money!

Available Profiles:
  • MXL (.080")
  • 40DP/LT (.0816")
  • XL (.200")
  • L (.375")
  • H (.500")
  • 3mm HTD®
  • 5mm HTD®
  • 8mm HTD®
  • 2mm PowerGrip GT®
  • 3mm PowerGrip GT®
  • 5mm PowerGrip GT®
  • T5, & T10
  • AT5 & AT10
  • Mini V-groove profile pulley - J & H section
  • Flat and Crowned
HTD and PowerGrip GT are trademarks of the Gates Corporation.

22" long Hob stock in sizes up to 1" diameter



Available in aluminum and steel. Call for availability in other materials.
3275 Prairie Avenue Boulder, Colorado 80301 303.443.8512 800.215.1831