https://www.greatplainselectronics.com/products.asp?cat=68I bought them from these guys as I had trouble finding them in Aus. I tried RS online but it was too hard to know if I was ordering the right thing.
They are the crimp style which seem to be the go these days. You also will need a crimping tool, contacts and a key plugs to suit.
I tried to order enough stuff to make the postage worthwhile.