NORTON Floor Sanding Disc – Fine Grit

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Outfit your floor grinder with this Screen-Bak Durite Q421 SC fine grit screen floor sanding disc for excellent cutting with extreme resistance to loading. A P-graded sharp silicon carbide grit and an open-weave screen provide durable sanding ideal for removing scale, rust and corrosion from concrete and hardwoods. The durable waterproof disc is more durable than paper or cloth and can be rinsed and reused to extend its useful work life.
  • Abrasive : Silicon Carbide
  • Attachment : Center Mount
  • Backing Material : Screen
  • Max Operating Speed Guideline : Determined by back-up pad
  • Abrasive Type : Coated

Features & Benefits

  • P-graded sharp silicon carbide has excellent cutting and non-loading properties
  • Waterproof; rinse and reuse for longer sanding life
  • Open weave screen has extreme resistance to loading when removing scale, rust and corrosion
  • Good fine grit choice for floor sanding jobs; more durable than paper or cloth


  • Building & Construction
  • Home Improvement
  • Paint & Drywall
  • Floor Sanding
  • Janitorial Supply

Additional information


Very Fine Grit: P220
Fine Grit: P180, P150,