On Fri, 8 Jan 2010 21:21:34 -0800, William Brammer wrote:

You can see the difference between the original Symmons and the Harden in
this web page which shows the Symmons TA-10 next to the Harden Symmons
TA-10H faucet valve.
http://www.hatcreekoutfit.com/xcart/...substring=ta10

Instead of looking for a valve stem to fit the faucet knob, why don't you
find a faucet knob to fit the valve stem?

http://www.faucetpartsplus.com/Default.asp

16 point .360" broach - Gerber, Sayco.

16 point .370" broach - Acme, American Standard Cadet & Colony, Barnes,
Burlington, Central Brass, Concinnity, Eljer, Glauber, Harden, Kohler
Trand, Milwaukee, Newport, Phylrich, Royal Brass, Scoville.

16 point .40" broach - Sterling