File belt specifications to perform on the most   demanding, intricate shapes, profiles and materials . Portable belts are ideal for all your metal and wood - working applications . Typical File Belt Applications:   Light   weld   removal   and   blending     Shape   and   contour   sanding   Surface   preparation   prior   to   coating   and   plating     General   clean - up   and   finishing   Removing   cutting   tool   marks   from   molds   and   dies Typical Portable Belt Applications:   Grinding   and   finishing   of   all   metals     Blending   of   welds   Sanding   and   finishing   of   wood     Glass   seaming   and   polishing      BEST    Norton SG R981 Belts   The   premium   performer,   patented   Norton   SG   abrasive Features: Benefits:   Patented   Norton   SG   ceramic      Exceptional   life   and   value,   especially   on   hard - to - grind   alloys   aluminum   oxide   abrasive     Aggressive   cut   rate   Grinding   aid   coating     Sharpness   maintained   throughout   life   of   the   belt   Heavy   Y - wt   polyester   backing     Cooler   cut,   burn - free   grinding   of   heat - sensitive   materials     Minimizes   loading     Extended   durability;   waterproof BETTER    NorZon Plus R823 Belts   The   choice   for   stainless   steel Features: Benefits:   Premium   self - sharpening   zirconia   alumina   abrasive     Aggressive,   rapid   cut   rate   Improved   grain   adhesion,   durable   grain   coating     Longer   life   Waterproof   for   use   on   a   broad   range   of   materials     Versatile   Strong   X - wt   polyester   backing,   available   in   finer   grit   range       For   moderate   to   heavy   pressure         applications   GOOD    Metalite R228 Belts   For   metal   and   wood Features: Benefits:   Aluminum   oxide   abrasive     Aggressive   cutting/resistant   to   heat   Strong   X - wt   cotton   backing     Versatile GOOD    Metalite R283 Belts   Versatility   for   all   MRO   applications Features: Benefits:   P - graded   premium   aluminum      Consistent,   cool   cut    oxide   abrasive     Tear   and   fray   resistant   Semi - flexible   backing 29