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3M

3M 05783 SC-BS Non-Woven Sanding Belt Medium 3 x 10-11/16

SKU CH-SQ3P-08EAE MPN 05783

Maroon non-woven abrasive belt for surface conditioning on 3-inch wide sanders

  • TypeSanders
  • Medium-grade abrasive prepares surfaces without gouging
  • Non-woven construction resists loading during extended use
  • Aluminium oxide grain delivers consistent cut on metal and wood
  • Semi-flexible scrim backing conforms to contours for even finish
  • Maroon colour identifies medium grade at a glance

Surface-Conditioning Belt

The 3M 05783 SC-BS is a non-woven abrasive belt designed for surface conditioning on power sanders. Its medium-grade aluminum oxide construction suits metalworkers and fabricators who need consistent finishing without aggressive stock removal. The semi-flexible scrim backing conforms to contours while resisting loading during extended use.

Medium Grade Limits

The medium grit level balances cut rate and finish quality but cannot match coarse belts for heavy rust removal or fine belts for polished surfaces. Aluminum oxide grain dulls faster than ceramic alternatives on hardened alloys. The resin bond and scrim backing limit flexibility on tight radii compared to cloth-backed products.

Upgrade From Hand Pads

This belt replaces manual abrasive pads on portable sanders, delivering uniform pressure and faster coverage on flat or curved panels. The jump is worth it when repeatable scratch patterns matter for paint prep or blending. It does not suit wide-belt machines or applications requiring coolant-fed operation.

Highlights

  • Medium-grade abrasive prepares surfaces without gouging
  • Non-woven construction resists loading during extended use
  • Aluminium oxide grain delivers consistent cut on metal and wood
  • Semi-flexible scrim backing conforms to contours for even finish
  • Maroon colour identifies medium grade at a glance

Specifications

TypeSanders
Brand3M
Model05783

Questions about this item

Should I choose the medium-grade SC-BS belt or a different grade for my application?

The SC-BS series is offered in medium grade only; select this belt when you need a semi-flexible, load-resistant surface-conditioning belt for general finishing work.

How does the 3-inch by 10-11/16-inch size perform on a bench sander?

The 3-inch width and 10-11/16-inch length fit standard portable belt sanders, and the semi-flexible scrim backing conforms to contours without gouging the workpiece.

What does the non-woven aluminum-oxide construction mean for belt life?

The non-woven nylon web with resin-bonded aluminum oxide resists loading and maintains consistent cut rate longer than coated-paper belts on metal and wood.

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