The 9 Best 20 inch Sanding Discs (2023 reviews)

The 3m (tm) 20 inch sanding disc is capable of outshining several other disc featured in this list in overall features for the price point. Aluminum oxide particles in a closed coat offer a fast cut for grinding and dual action (D/A) sanding on metal. This versatile disc provides a fast, efficient method for deburring, blending, cleaning up, and finishing metal parts and surfaces of various sizes and shapes. It features a high-strength pressure sensitive adhesive backing that adheres to a backup pad or a steel plate for an efficient application and clean removal. It can be used in grinding applications in addition to sanding and finishing applications.

This mineral makes a tough, durable abrasive that self-fractures to expose fresh cutting edges in use, whereas traditional abrasives such as garnet quickly wear down with use. Heat-resistant resin is a sturdy binding agent that adheres the abrasive to the backing and maintains the stability of the bond even in conditions of high heat or pressure. It is suitable for a wide variety of materials in both woodworking and metalworking, including ferrous alloys.

Why We Like This:

X-weight, durable cloth backing supports aggressive applications without tearing or edge wear
Delivers what they promise

Cubitron 20 inch Sanding Disc

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The cubitron 20 inch sanding disc should be able to handle its purpose and duties with ease. This versatile disc provides a fast, efficient method for deburring, blending, cleaning up, and finishing metal parts and surfaces of various sizes and shapes. It features an aluminum oxide abrasive, which is a popular choice among industrial professionals because of its fast cut-rate and long life. It features a high-strength pressure sensitive adhesive backing that adheres to a backup pad or a steel platen for an efficient application and clean removal. It can be used in grinding applications in addition to sanding and finishing applications. It has resistant resin bond and cloth backing that make this sanding disc a good choice for high heat and heavy duty sanding applications. It is suitable for a wide variety of materials in both woodworking and metalworking, including ferrous alloys.

Why We Like This:

Heavy duty for aggressive grinding and sanding
X-weight, durable cloth backing supports aggressive applications without tearing or edge wear
An aluminum oxide psa disc constructed on a x weight, durable cloth backing

Woodstock 20 inch Sanding Disc

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Not everyone likes to purchase disc for their daily usage, but the woodstock 20 inch sanding disc would be an anomoly. This aluminum oxide disc is pre-applied with top-quality pressure sensitive adhesive. It is perfectly sized to aid in centering on a 20” disc.

Why We Like This:

Good investment for long term
Lot of satisfied buyers

Norton 20 inch Sanding Disc

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate disc. The norton 20 inch sanding disc is exactly that - it's a simple disc that hits all the right notes. The Norton NorZon Plus R821 durable, large-diameter, cotton-backed discs are suitable for dimensioning and finishing metals and woods. It is a self-sharpening abrasive that allows for a faster cut rate and longer life than aluminum oxide, due to its ability to fracture and refracture, creating new cutting edges. The dense placement of the abrasive grain means a higher-quality finish than an open-coat disc.

This is a closed-coat disc. It is stiffer, tougher, and thicker than a paper or film backing. The Cloth resists tearing while bending and flexing during use. These discs have no center hole for full-face usage.

Why We Like This:

Use with molded-rubber back up pads
New and hot release

generic 20 inch Sanding Disc

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Not everyone likes to purchase disc for their daily purpose, but the generic 20 inch sanding disc would be an anomoly.

Why We Like This:

New and hot release
Lot of satisfied buyers

generic 20 inch Sanding Disc

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Next on the list, we've got yet another disc that manages to win our hearts. It's the generic 20 inch sanding disc and it's widely considered as disc that has the most suitable features.

Why We Like This:

Good brand reputation
New and hot release

Cai - 3M 20 inch Sanding Disc

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Next on the list, we've got yet another disc that manages to win our hearts. It's the cai - 3m 20 inch sanding disc and it's widely considered as disc that has the most suitable features. Nonwoven adhesive (psa) sanding discs use an adhesive attachment method when mounting to the tool's disc pad.

Why We Like This: