YAMAHA KLW-M711S-B20 Shaft 2 Nozzle Head Rod for YSM10 YSM20R The YAMAHA KLW-M711S-B20 Shaft 2 is a precision mechanical component used within the nozzle head mechanism of compatible YSM10 and YSM20R SMT pick-and-place machines . The shaft provides controlled guidance and mechanical support for the vertical movement associated with the nozzle head assembly, helping maintain accurate nozzle positioning during component pickup and placement. In high-speed SMT production, even a