"Marketplace since 2012"


SIT S.p.A. belongs to a large industrial group with historical roots that have kept the values of its founders intact over time, constantly evolving in numerous industrial sectors. Belonging to a group provides numerous synergies and financial solidity that guarantee its constant growth.

SIT is the leader in design and production of a vast and complete range of couplings that include torsionally rigid couplings, flexible couplings, zero backlash couplings, toothed couplings, couplings with shaft, bellows and disc couplings or to the client's own design.

SIT-LOCK key-way-free clamping bushings are ideal for any shaft-cube connection application. SIT-LOCK units are suitable for connecting any type of element (wheels, sprockets, gears, levers, pulleys, eccentrics, couplings, etc.) and can be used in a wide range of industrial applications.

SIT SPA is one of the leading manufactures of couplings and other power transmission products. They are world renowned for their commitment towards quality and customer satisfaction.

They offer a wide range of SIT couplings and other power transmission products such as:

  • Worldwide delivery

    For all oders over $99

  • Secure Payment

    100% secure payment

  • 24/7 Support

    Online top support