21 N New since T ool Manual 21 N New in the PFERD pr oduct line 2012 N e w i n t h e P F ER D P r o d u c t L i n e 2 0 6 P O L I FA N F l a p D i s c s S p e c i a l Li n e S G P INOX T ype SGP COSTRONGFREEZE PFC The POLIF AN SGPSTRONGFREEZE is a highperformance fap disc for the most demanding of grinding tasks The innovative abrasive with ceramic grit guarantees ultracool grinding on materials with poor heatconducting pr operties Maximum material r emoval and outstanding service li fe Abrasive Ceramic Oxide CO Grit sizes 36 50 W orkpiece Materials Stainless steel INOX other materials with poor heatconducting pr operties Application Surface grinding weld r emoval PFERD Speci fcation Number CO 36 SGPSTRONGFREEZE Diameter D Inches Thickness Nominal T Inches Thickness Metric T mm Grit Unthr eaded Arbor Hole Thr eaded Arbor Hole Max RPM Bor e H Inches EDP Number Thr ead EDP Number Conical PFC T ype 29 N 412 916 14 36 78 62946 10 5811 62951 10 13300 N 412 12 13 50 78 62948 10 5811 62953 10 13300 N 5 916 14 36 78 62956 10 5811 62961 10 12200 N 5 12 13 50 78 62958 10 5811 62963 10 12200 N 7 34 18 36 78 62976 10 5811 62981 10 8500 N 7 34 18 50 78 62978 10 5811 62983 10 8500