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Five 3 x 21 inch 120-grit aluminum oxide sanding belts in a pack

Ali Indistries Inc

Ali Industries 7010 3x21 120-Grit Aluminum Oxide Belt 5-Pack

SKU CH-ZRPR-2X1GG

Five-pack of 3 by 21 inch 120-grit aluminum oxide belts with bi-directional joints for power sanders

  • Product typeSanders
  • Bi-directional joint enables smooth forward and reverse sanding
  • Resin bonding resists heat and humidity for longer belt life
  • 120-grit aluminum oxide cuts wood, metal, fibreglass and paint
  • 3 in by 21 in size fits standard power belt sanders
  • Five belts per pack provide ready replacements for heavy-duty work

Belt Sander Compatibility

These 3 x 21 inch aluminium oxide belts fit standard power belt sanders. The pack contains five 120-grit belts suited for wood, metal, fibreglass and painted surfaces. They are intended for DIY enthusiasts and tradespeople who need a ready supply of replacement belts for heavy-duty sanding tasks.

Sustained Load Performance

The resin bonding system resists heat and humidity to extend belt life during prolonged use. A bi-directional flush joint lets the belt run smoothly in either direction without snagging. This construction helps maintain consistent cutting action when sanding large areas or tough materials over long periods.

Installation and Common Issues

Belts install by slipping them over the sander drums and tensioning the machine lever. The bi-directional joint simplifies fitting because orientation does not matter. Problems usually arise if the sander tracking is misaligned, causing the belt to drift off the rollers or wear unevenly at the edges.

How it compares

Measured against everything we stock in Sanders, Rotary & Demolition Tools, at today’s prices. Recalculated every night.

Price $5.99
Cheaper than about 86% of the 477 comparable items (median $21.99).

Specifications

Product
Brand nameAli Industries
Product typeSanders

Questions about this item

How much heat does the 120-grit belt generate during all-day sanding?

The resin bonding system resists heat, extending belt life during continuous use on wood, metal, fiberglass and painted surfaces.

What sander size is required for the 3x21 belts in this 5-pack?

These belts fit power belt sanders that accept a 3-inch by 21-inch belt.

Will the bi-directional joint work on an older sander that runs only one way?

Yes, the bi-directional flush joint runs smoothly in both directions, so it is compatible with single-direction machines.

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