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Ali Indistries Inc

Ali Industries 7012 3x21 50-Grit Aluminum Oxide Belt 5-Pack

SKU CH-PE6M-97B2P

Five-pack of 50-grit aluminum oxide belts sized 3 x 21 inches for bi-directional power sanding on wood, metal, fibreglass and painted surfaces

  • TypeSanders
  • Bi-directional joint enables smooth forward and reverse operation
  • Resin bonding resists heat and humidity for extended belt life
  • 50-grit aluminum oxide handles heavy-duty sanding of wood and metal
  • 3-by-21-inch size fits compatible power belt sanders
  • Five-belt pack provides multiple replacements for continuous work

Power Belt Sander Belts

This five-pack of 3 by 21 inch aluminum oxide belts fits power belt sanders that accept the 7012 size. The 50-grit surface is intended for heavy-duty stock removal on wood, metal, fiberglass and painted surfaces. DIYers and tradespeople tackling rough shaping or paint stripping will find the quantity convenient for extended jobs.

Bi-Directional Flush Joint

The bi-directional flush joint lets the belt run smoothly in either direction without a raised seam catching on the workpiece. Resin bonding resists heat and humidity, which helps the abrasive stay intact longer during aggressive sanding. These two features together reduce belt changes and keep the cutting action consistent across the full length.

Simple Wrap-Around Installation

Slip the belt over the sander's drive and idler drums, tension the lever and the flush joint seats itself without alignment marks. The only common issue is insufficient tension, which lets the belt slip or track off-center under load; re-tensioning usually restores proper tracking immediately.

Highlights

  • Bi-directional joint enables smooth forward and reverse operation
  • Resin bonding resists heat and humidity for extended belt life
  • 50-grit aluminum oxide handles heavy-duty sanding of wood and metal
  • 3-by-21-inch size fits compatible power belt sanders
  • Five-belt pack provides multiple replacements for continuous work

Specifications

TypeSanders
BrandAli Industries

Questions about this item

How often will the 50-grit aluminum oxide belts need replacing?

The resin bonding system resists heat and humidity to extend belt life, but heavy-duty sanding of wood, metal, fiberglass or painted surfaces will wear the 50-grit abrasive down until a fresh belt from the five-pack is required.

What limits continuous sanding with the 3x21 belts first?

Heat buildup on the workpiece and belt surface becomes the limiting factor during sustained use, even though the bi-directional flush joint and resin bond help dissipate heat and resist humidity.

How much noise and heat do the 7012 belts generate during all-day sanding?

The belts themselves add minimal noise beyond the sander motor; the resin bonding system resists heat and humidity, keeping belt temperature lower during extended heavy-duty grinding of wood, metal or fiberglass.

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