... 6600rpm A30RBF DIN EN ISO9001-2000,EN,MPA Cutting wheel for steel Abrasive wheel for cutting steel (1.) System of quality correspond ... with Germany MPA safety regulations Germany MPA31055,31056,31057(3.) Wheel type and centre shape:T41 flat centre, T42 depressed centre(4 ... .) Abrasive type code: A: aluminium oxide(5.) Grade: Hard: S,T Standard ...