110011 4 x 21 Inch Sanding Belts | 15 Pack Aluminum Oxide Sander Belt Assortment 80, 120, 150 Grits

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Product Overview

Introducing the 4" x 21" Aluminum Oxide Sanding Belt Set in 3 Popularly Used Grits by POWERTEC.

This premium assortment pack of 15 was designed to provide you with a cost effective set of long lasting and high performance sanding belts in a range of grits. From 80 grit to 150 grits, this comprehensive selection of popular grit sizes allows you to sand through all the stages of your project, from coarse to fine polishing.

Made with open coat Aluminum Oxide (A/O) grain, they act as a multi-purpose tool best used for wood sanding, shaping, stripping and giving a smooth finish to many of your woodworking applications. Additionally, these belts work exceptionally well with lite and non-ferrous metals, blending welds, fiberglass, plastic, and rubber. Each belt flaunts an X-weight clothed backing, and possesses a strong resin on resin bond with well crafted seams for long lasting results. 

  • USAGE: Works with an assortment of belt sanding machines and applications – providing a heavy duty stripping and sanding tool for wood, aluminum, fiberglass, rubber, plastic and non-ferrous metals.
  • PREMIUM GRADE: Made with our superior X-Weight clothed backing, an open coat aluminum oxide grain, and an impressive resin on resin bond that ensures long lasting performance
  • CRAFTSMANSHIP: These 4”x21” sanding belts feature a heat and moisture resistant material, and were designed with expertly crafted seams that won’t break under pressure
  • GRIT: Available in a wide range of uniformed grit - 5 Each of 80, 120, 150 Grits,
  • COMPATIBILITY: Suitable for use with the majority of 4 x 21 inch belt sanders available on the market.


Belt Size: 4-Inch x 21-Inch
Material: Premium Open Coat Aluminum Oxide (A/O)
Grain Backing: Strong "X" Weight Cloth
Backing Joint: Strong Butt Joint Construction
Package: 15 pieces Sanding Belt
Set Includes the Following Grit Sizes: 80, 120, and 150 grits

Grit Selection Guide

40 - 60 Grit: Heavy Sanding and Stripping
80 - 180 Grit: Removing Tiny Imperfections

Whether you’re a professional or DIY kind of guy, these heavy duty sanding belts are compatible with many of your go-to 4x 21 belt sander models!


WARNING: Cancer and Reproductive Harm -


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