NORTON Floor Sanding Disc – Coarse Grit

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Smooth out irregularities in concrete and hardwood floors with this Screen-Bak Durite Q421 SC coarse grit screen floor sanding disc. Its P-graded sharp silicon carbide grit easily cuts into even the hardest floor surfaces, and its open-weave screen design provides extreme resistance to loading during lighter jobs, such as cleaning off scale and rust. This durable sanding disc, which exhibits greater durability than paper or cloth, is waterproof, so you can rinse it off between uses and extend its service 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 coarse grit choice for floor sanding jobs; more durable than paper or cloth


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

Additional information


Coarse Grit: P80