The S7Q16B180-L27 is a member of our line of 7 mm diameter DC micro-motors that use of precious metal brush contacts. This is the largest and most powerful micro motor with a stall torque of 7.66 g.cm and a typical no load speed of 18360 RPM. This coreless micro motor is suited for such applications as drones and locking mechanisms. Custom wire lengths and RPM speeds are available.