These belts are manufactured from the same "industrial" material as our other belts. To increase our manufacturing efficiency, we can use the smaller "leftover" pieces to make these standard size belts for your portable belt sanders. This helps us use up material and helps you because we can make these out of our best material very inexpensively. Includes one 6 pack of the following grits: 60, 80, 100, 120, 150, & 180 The Belts are made from an Aluminum Oxide Cloth Industrial Grade material.

3" x 21" Sanding Belts for Finishing & Sharpening WHAT IS FINISHING & SHARPENING? Profiling is the development of the basic shape of a cutting instrument. Sharpening involves giving an edge to the profiled piece of steel/metal that was previously profiled and shaped.  WHAT DOES AN X OR J WEIGHT MEAN? Abrasives are adhered to a backing material. That backing material's thickness (related to its flexibility) is categorized by the alphabet. Backings closer or rated as 'A' are substantially more flexible than the stiffest 'Y' weight backing you'll find on our site. Backings with an 'A', 'B', 'C',

Our 3x21 industrial grade silicon carbide belts are the perfect choice for fine finishing with lighter pressure. Silicon carbide is extremely sharp and friable, making it ideal for heat sensitive applications but not as long lasting as other abrasive materials. Its unique characteristics make silicon carbide a great choice for paint removal, sanding between coats, knife scale finishing, lapidary, or any application requiring consistent scratch patterns. Wet or dry applications. Hand built in the USA. Available Grits: 24, 36, 60, 80, 100, 120, 150, 180, 220, 320, 400, 600, 800, 1000  Single Gri

Ideal for Precision Finishing on Wood, Metal, and Automotive Surfaces Uneeda’s 3" x 21" Sanding Belt is specially designed for professionals who need precision and control in finishing applications. This sanding belt excels in providing a smooth, even finish on wood, metal, and automotive surfaces, making it perfect for sanding tight corners, edges

Sanding Belts 3"x21" 220 Grit Aluminum Oxide Premium AA Abrasives 3 x 21 abrasive sanding belts in premium aluminum oxide for ferrous metal and wood finishing applications. This premium aluminum oxide sanding belt has a X-weight poly/cotton backing making these abrasive belts ideal for soft metals and woods.

This is a great all purpose abrasive. Manufactured with aluminum oxide grain in a closed coat - which means that close to 100% of the backing is covered in abrasive grain to cut faster and last longer. This full resin bond "X" weight belt is used on hardwoods, aluminum, mild steel, composite and solid surface. 12 belts per box.