==== milling-machines ====

http://www.pcbmilling.com/machines.htm

==== nanotec-motor ====

ST4018 - 42 mm - 1.8¤ - Md 9-50 Ncm - 2 Phase Stepper Motor (High Torque)

^ Type ^ Voltage ^ Current ^ Holding Torque ^ Resistance per Winding ^ Inductance per Winding ^
|				  |  (V DC)  |  (A)  |  (Ncm)  |  (Ohm)  |  (mH)  |
|ST4018L1804	|  3.2	  |  1.8  |  50	  |  1.75	|	5.4  |