01-09-2009, 10:41 PM
BR60103 Wrote:The mm bits will not be an exact match for the numbered bits -- that was the whole purpose of the metric system.
There is probably a conversion table available -- the NMRA may have a table showing all the bits - fractional, numbered and mm -- in order.
If the metric bits are exact metric sizes, there is a conversion table in one of the links I put in my last post.