Where can I get a 5/16 solid front axle?

[User]

 

[numbnuts]

Have a look on ebay

 

[stephec]

Can you find an engineering fasteners supplier that sells threaded rod and cut some down to the required length?

Edit: As numbnuts says, eBay may be of use -

http://www.ebay.co.uk/itm/5-16-UNC-threaded-rod-studding-bar-STAINLESS-4-Length-/150972276169

 

[midlife]

http://www.walkerscycles.co.uk/retailsearch/Reflex

Solid axle £1.99

Shaun