I intend to use these 4 pin, round terminals for each stepper motor this time round, something like these

http://i.ebayimg.com/t/4-x-Neutrik-N...9Uw~~60_12.JPG

so I need one female connector (that can be mounted to a plate) and one male connector per stepper
i need 4 cores per connection
cable thickness is 2.5mm


Can anybody recommend a good supplier? Part Codes, product codes etc, what to ask for?

Matt