Stepflex STF

The Stepflex STF Model, developed in 2016, impresses with its combination of jaw coupling and disc pack coupling technology. The power transmission takes place via the internal jaws, wherein the flexibility is achieved by the two softer green plastic elements.

  • 0.5 to 60 Nm
  • Zero Backlash
  • High flexibility
  • Perfect damping characteristics
  • Max. 10‘000 rpm
Dimensions dual coupling Stepflex STF
Milling machine working on steel detail with lots of sparks

Machine tool

Miki Pulley is proudly looking back to a long year’s successful history in the field of machinetools. With a market share of over 80% in Japan in the field of flexible shaft couplings Miki Pulley could achieve the market leader position in this specific field. The flexible…

Grinding of a round detail on a special machine tool

Mechanical engineering

In the field of special machine construction there is a large variety of applications and usage of drive technology equipment. As this field is extremely wide in applications Miki Pulley is supplying to special coil winding machine producers, ship loaders…

Electric motors and parts for machines


Used in the field of robotics, handling automation or for the drive of linear actuators, the requirements to the new series of Servomotors is rising daily. For the safety application in a servomotor, especially in the case of a power shortage or emergency stop, Miki Pulley…