Does anyone know where I can get a graphite endpin rod? I've found a few places that sell the carbon fiber ones, but I haven't been able to find graphite, and I do know that they exist.
Technically "Graphite" is a misnomer for this application. Graphite is pure carbon in a layered molecular structure that makes it soft and slippery.
"Carbon fibre" is a manufactured carbon in a fine strand structure that is stiff and strong, which is then used - like glass fibre in "fibreglass" - as a matrix around which to impregnate epoxy or polyester resin. Carbon fibre is made by heating strands of a polymer like rayon until all other molecules are vaporised leaving interlocking carbon molecules in a fine strand which is then woven to make a yarn.
I don't know who started out calling it graphite fibre. Perhaps a Beijing dictionary?