The Bosch Rexroth EC303 and EC304 are high-performance, brushless EC servo motors specifically engineered for use in advanced tightening spindle systems. Designed for precision, dynamics, and reliability, these motors are an integral part of automated assembly and production lines where accurate torque control is critical. Their compact and robust construction ensures a long service life even in demanding industrial environments. These motors integrate seamlessly with Bosch Rexroth tightening controllers and spindles, providing a complete, high-efficiency solution for complex fastening tasks.