Glenn,
Those sights on J frames are specific to the Pro series. They are crisp and clear. From what I read at S&W a standard model 60 does not have the thickness for the milling for THIS sight set up.
http://www.dlsports.com/dl_jframe_sw_sights.html
These folks may be able to help you.
Alnamvet...just saw your link........Great minds think alike.....