We provide a diverse range of standard gear, pulley, and tension systems, manufacturing aluminum, plastic, iron, or cast gears with specialized geometry and drawings based on the desired technical specifications. Our capabilities include processing Taper-Lock, keyway, or conical clamping hubs, and we can open channels and attach rings for belt guiding operations.

Standard Pitch/Thread Pitch


  • (T Series)T5, T10, T20
  • (AT Series)AT5, AT10, AT15, AT20
  • (HTD Series) 5M, 8M, 14M
  • (STD Series) 5M, 8M, 14M
  • (HPL Series) 5M, 8M, 14M
  • ATP Gears
  • BAT Gears
  • GT2, GT3 Gears


  • L, H, XH

Turkey’s Polyurethane Belt Expert with 40 Years of Experience

Introducing ‘Ortech’ Belt Solutions, the brand from Orhan Sanayi Belts, where 40 years of industrial belts expertise converges with polyurethane belts and specialized production. Pioneering numerous production techniques in Turkey, it stands as the first and only implementer. With patented special solutions and extensive technical knowledge, ‘Ortech’ serves as the trusted solution partner for customers in the field of polyurethane industrial belts. Proudly an Authorized Manufacturer of Gates Polyurethane Timing Belts since 2007.

No matter if it's Mass Production or a Single Requirement

Opt for high-precision gears, an integral part of polyurethane belt systems. At OSK, we produce or import gears with the desired specifications, providing our customers with a distinctive touch through qualified belt guiding and hub tightening processes. Whether you need a single unit or require mass production, we cater to products across all levels of requests.

All in one Solution for All Materials

Gathering mechanical parts for your machines from multiple suppliers can result in both time wastage and variations in quality. At Orhan Sanayi Belts, we provide you with various components such as gears, pulleys, connection plates, and guide channels used in your belt systems from a single source.