2Sand 4x21 Aluminum Oxide Sanding Belts

$17.54 - $23.49
(15 reviews) Write a Review
Usually Ships in 2-3 business days
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  • Tough, sharp aluminum oxide particles make our sanding belts great for both wood and metal.
  • Resin over resin backing for a longer-wearing cloth belt.
  • Sanding Belts have a butt joint and can be run in either direction.
  • Fits 4-inch by 21-inch belt sanders.
  • Individual grits are sold in packs of 10 per grit.

Sanding Belts available in specific grits and/or grit assortments.


  • All assortments come with a total of nine belts.
  • The FINE assortment consists of (3) 120, (3) 150 & (3) 180 grit belts.
  • The COARSE assortment consists of (3) 60, (3) 80 & (100) grit belts.
  • The 60 - 180 assortment consists of (1) 60, (2) 80, (2) 100, (2) 120, (1) 150 & (1) 180 grit belts.
Abrasive Material:
Backing Material:

15 Reviews Hide Reviews Show Reviews

  • 5
    Belt sanding belts

    Posted by Ted Kemper on 07 14 2020

    Just what I needed and they worked great.

  • 5
    Good quality

    Posted by Tony on 06 03 2020

    I have the odd size sander. These belts are hood quality with a good price to go along with the quality.

  • 5
    Works as expected.

    Posted by Ray Pockalny on 09 10 2019

    Good quality

  • 5
    Great item

    Posted by Sherry on 03 05 2019

    Fast and reasonably priced. Thanks.

  • 4
    very good

    Posted by stan on 03 05 2019

    I needed the 4x21 belts for an old craftman sander and could find them anywhere. Your belts worked perfectly and did a great jod

  • 5

    Posted by Lee on 03 05 2019

    Hard to get size, but they had it. Great selection, good quality, shipped quickly. Recommended to friends.

  • 4
    excellent service

    Posted by Bob NY on 03 05 2019

    very satisfied with this product fast shipping at a great price

  • 5
    Good product

    Posted by Larry on 03 05 2019

    Excellent selection of belts. Can't find this size locally. Reasonable price. Very fast delivery.

  • 4
    Tree Trunks

    Posted by Miata Mike on 03 05 2019

    The 36 grit did a good job of removing the chain saw makes and leveling my tree trunks as they will become seats on our new patio after they are stained and sealed.