Surface Grinding Machine Model Msg 8X18h2a. Surface Grinding Machine Model Msg 8x18h2a. Mitsui MSG-200MH Surface Grinder 945483, Used Mitsui MSG-200MH Surface Grinder 945483, Used Machinery Sales, LLC.(UMS) buys, sells, and brokers late model Computer Controlled CNC metalworking machinery worldwide specializing in machining centers, milling.