James Engineering would be a good compay to use, if you supply them with the machined one aswell they will be able to machine it the same.

Their Address is

James Engineering Ltd

Prenton Way, North Cheshire Trading Estate, Prentonead, Prenton, Merseyside CH43 3DU
Tel: 0151 609 1000

http://www.jameseng.com/engineering/...gineering.html