As I was ordering yet more jars of Tarrago shoe cream in a quest to make a 97 blanco colour I has a wander through the web site of the company that distributes Tarrago shoe cream in the UK.
T College and Sons is a old established company that supplies the bits and bobs that are used by and sold in shoe repair shops.
Anyhoo, I spotted that they stock for sale to the trade No 4 flat boot protectors - the flat studs used in ammo boots. Also toe plates and the mock screw head nails for them as well as heel plates.
So no need to look for piddly packs on ebay or pay a fortune at militaria fairs - its all available from your local friendly cobbler, just point him in the right direct to source if he doesn't know already.
(There are also German-ish looking hob nails too - round, not hexagonal, if that matters)
Its a framed site so difficult to link to bits directly but Shoe repair products > Grindery should get you there:
http://www.tcolledgeandson.com/
Yeah, Nige persuaded a cobbler near him to get him a box of nails at cost. I had half... 
