Hello,I am looking for hex socket nuts with M6 thread, with a barrel of 25-30mm. Something similar to on your web site: auto-products/fastener-452/1290744.html except in steel. Interested in quantities 5000 or more.Please let me know what you might have available that would meet this criteria and how much it would cost for delivery to Kansas, USA.Thank you.Alex McDonaldUnruh Fab, Inc.