... offered 3.longer service life 4.quick delivery rectangle steel orifice plate of slide shaft bearing with surface plating white ... miller ,punch press ,press ,engine lathe ,CNC center and meter lathe materials capability:cast iron ,ductile iron,carbon steel ,alloy steel, ordinary steel ,aluminum ... 8652 1310 Fax: +86 510 8652 9579 rectangle steel orifice plate of slide shaft bearing