PSA Discs

PSA discs are pressure-sensitive adhesive abrasive discs used for sanding, finishing, and surface preparation. Common commercial uses include collision repair work on paint, primer, metal, and composite surfaces, along with shop and maintenance sanding on materials such as wood, plastic, fiberglass, and metal.

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Helpful Buying Guide

How to Choose PSA Discs

Choose a PSA disc by first matching its diameter to compatible sanding equipment, then selecting the grit and disc construction suited to the work at hand. This category includes compact 3-inch discs, larger 12-inch discs, and roll-format paper-backed options for repair and surface-preparation tasks.

Visual Guide

Popular examples in this category

9-Inch 40-Grit Aluminum Oxide PSA Sanding Disc9-Inch 40-Grit Aluminum Oxide PSA Sanding DiscWBB22331436-Inch 320 Grit Pressure-Sensitive Adhesive Abrasive Disc Rolls, 100 Discs per Roll, 6 Rolls6-Inch 320 Grit Pressure-Sensitive Adhesive Abrasive Disc Rolls, 100 Discs per Roll, 6 RollsWBB3251142Gold PSA Abrasive Disc Roll, 6 in. Diameter, 400 Grit, 600 DiscsGold PSA Abrasive Disc Roll, 6 in. Diameter, 400 Grit, 600 DiscsWBB32511813-Inch 100-Grit Aluminum Oxide PSA Sanding Disc3-Inch 100-Grit Aluminum Oxide PSA Sanding DiscWBB2233435
Use Cases

From coarse sanding to finish preparation

Available grits range from 36 and 40 grit for coarse or fast-cutting work through 320 and 400 grit for controlled repair-surface preparation. Listed uses include sanding and finishing work, machine sanding, and preparation of repair substrates.

How to Choose

Match diameter, grit, and tool compatibility

Confirm the disc diameter required by your sanding equipment, then choose a grit that fits the task. Options represented include 3-, 5-, 6-, 8-, 9-, and 12-inch discs, with PSA backing for attachment to compatible tools.

Applications

Work across listed repair and shop materials

Paper-backed roll discs are represented for paint, primer, metal, and composite surfaces in collision repair. Other aluminum oxide PSA discs are listed for wood, metal, plastic, fiberglass, and composites.

Additional Information

Compare backing and pack format

This category includes cloth-backed discs with closed-coat construction, polyester-coated cloth-backed discs, and paper-backed disc rolls. Quantities range from a two-disc pack to rolls of 100, 200, or 600 discs.

3–12 in.Disc diameters represented

Options range from compact 3-inch discs to 12-inch discs.

36–400Grit range represented

Choose among listed coarse through finer abrasive grades.

2–600Discs per listed package

Quantities include a two-disc pack and rolls up to 600 discs.

PSAAttachment style

Pressure-sensitive adhesive backing supports use with compatible sanding equipment.

Comparison Guide

Compare PSA Disc Types

Use this overview to compare the product formats and characteristics represented in the category.

Product typeWhat is representedKey selection considerations
Cloth-backed aluminum oxide discs3-inch 100-grit and 9-inch 40-grit discs with X-weight cotton cloth backing and closed-coat structure; a 12-inch 80-grit option with polyester-coated cloth backing.Match the 3-, 9-, or 12-inch diameter and listed grit to the sanding application; compare pack quantities.
Paper-backed PSA disc rolls5-, 6-, and 8-inch rolls in 150, 180, 220, 320, and 400 grit, generally listed with load-resistant coating.Compare disc diameter, grit, roll quantity, and whether a no-hole format is required.
Fast-cutting paper PSA rollA 5-inch, 36-grit roll with E-weight paper backing and 200-disc quantity.Consider the coarse 36-grit grade, 5-inch tool fit, and larger roll quantity for ongoing sanding work.
Planning Guide

Plan the right fit before choosing

Start with the sanding task

Select grit for the level of abrasion needed

The available selection spans coarse, intermediate, and finer abrasive grades. Use the product's listed grit as the primary comparison point for your sanding or preparation process.

  • 36, 40, and 80 grit are listed coarse abrasive options.
  • 100, 150, 180, and 220 grit are represented for sanding and surface-preparation work.
  • 320 and 400 grit are listed for controlled repair-surface preparation.
Fit the disc to the equipment

Confirm diameter and PSA disc format

Disc diameter must correspond with compatible sanding equipment or the work area. PSA backing is designed to allow attachment to compatible sanding tools, while one 6-inch 150-grit option is specifically listed as a no-hole disc.

  • Available diameters include 3, 5, 6, 8, 9, and 12 inches.
  • A listed 5-inch disc is compatible with disc, double-action, and random orbital sanders.
  • Compare standard disc options with the listed no-hole 6-inch format where applicable.
Plan the quantity and construction

Choose a pack or roll that suits ongoing work

For replacement needs, a two-disc 12-inch pack is available. For recurring sanding tasks, rolls organize multiple discs together, with listed quantities of 100, 200, and 600 discs. Construction choices include paper-backed discs, cotton cloth backing, and polyester-coated cloth backing.

  • Several paper-backed rolls feature a load-resistant coating to help reduce clogging.
  • Cloth-backed options include X-weight Egyptian cotton or polyester-coated cloth construction.
  • Roll formats are listed as a convenient way to keep discs together for access during work.
FAQ

Common questions before buying

What does PSA mean for sanding discs?

PSA means pressure-sensitive adhesive. The listed discs use PSA backing to attach to compatible sanding tools.

What disc sizes are available?

The represented products include 3-, 5-, 6-, 8-, 9-, and 12-inch disc diameters.

What grit levels are represented in this category?

Listed grit levels include 36, 40, 80, 100, 150, 180, 220, 320, and 400.

Are PSA discs available in rolls?

Yes. The category includes paper-backed disc rolls with listed quantities of 100, 200, and 600 discs.

Helpful Buying Guide

How to Choose PSA Discs

Choose a PSA disc by first matching its diameter to compatible sanding equipment, then selecting the grit and disc construction suited to the work at hand. This category includes compact 3-inch discs, larger 12-inch discs, and roll-format paper-backed options for repair and surface-preparation tasks.

Visual Guide

Popular examples in this category

9-Inch 40-Grit Aluminum Oxide PSA Sanding Disc9-Inch 40-Grit Aluminum Oxide PSA Sanding DiscWBB22331436-Inch 320 Grit Pressure-Sensitive Adhesive Abrasive Disc Rolls, 100 Discs per Roll, 6 Rolls6-Inch 320 Grit Pressure-Sensitive Adhesive Abrasive Disc Rolls, 100 Discs per Roll, 6 RollsWBB3251142Gold PSA Abrasive Disc Roll, 6 in. Diameter, 400 Grit, 600 DiscsGold PSA Abrasive Disc Roll, 6 in. Diameter, 400 Grit, 600 DiscsWBB32511813-Inch 100-Grit Aluminum Oxide PSA Sanding Disc3-Inch 100-Grit Aluminum Oxide PSA Sanding DiscWBB2233435
Use Cases

From coarse sanding to finish preparation

Available grits range from 36 and 40 grit for coarse or fast-cutting work through 320 and 400 grit for controlled repair-surface preparation. Listed uses include sanding and finishing work, machine sanding, and preparation of repair substrates.

How to Choose

Match diameter, grit, and tool compatibility

Confirm the disc diameter required by your sanding equipment, then choose a grit that fits the task. Options represented include 3-, 5-, 6-, 8-, 9-, and 12-inch discs, with PSA backing for attachment to compatible tools.

Applications

Work across listed repair and shop materials

Paper-backed roll discs are represented for paint, primer, metal, and composite surfaces in collision repair. Other aluminum oxide PSA discs are listed for wood, metal, plastic, fiberglass, and composites.

Additional Information

Compare backing and pack format

This category includes cloth-backed discs with closed-coat construction, polyester-coated cloth-backed discs, and paper-backed disc rolls. Quantities range from a two-disc pack to rolls of 100, 200, or 600 discs.

3–12 in.Disc diameters represented

Options range from compact 3-inch discs to 12-inch discs.

36–400Grit range represented

Choose among listed coarse through finer abrasive grades.

2–600Discs per listed package

Quantities include a two-disc pack and rolls up to 600 discs.

PSAAttachment style

Pressure-sensitive adhesive backing supports use with compatible sanding equipment.

Comparison Guide

Compare PSA Disc Types

Use this overview to compare the product formats and characteristics represented in the category.

Product typeWhat is representedKey selection considerations
Cloth-backed aluminum oxide discs3-inch 100-grit and 9-inch 40-grit discs with X-weight cotton cloth backing and closed-coat structure; a 12-inch 80-grit option with polyester-coated cloth backing.Match the 3-, 9-, or 12-inch diameter and listed grit to the sanding application; compare pack quantities.
Paper-backed PSA disc rolls5-, 6-, and 8-inch rolls in 150, 180, 220, 320, and 400 grit, generally listed with load-resistant coating.Compare disc diameter, grit, roll quantity, and whether a no-hole format is required.
Fast-cutting paper PSA rollA 5-inch, 36-grit roll with E-weight paper backing and 200-disc quantity.Consider the coarse 36-grit grade, 5-inch tool fit, and larger roll quantity for ongoing sanding work.
Planning Guide

Plan the right fit before choosing

Start with the sanding task

Select grit for the level of abrasion needed

The available selection spans coarse, intermediate, and finer abrasive grades. Use the product's listed grit as the primary comparison point for your sanding or preparation process.

  • 36, 40, and 80 grit are listed coarse abrasive options.
  • 100, 150, 180, and 220 grit are represented for sanding and surface-preparation work.
  • 320 and 400 grit are listed for controlled repair-surface preparation.
Fit the disc to the equipment

Confirm diameter and PSA disc format

Disc diameter must correspond with compatible sanding equipment or the work area. PSA backing is designed to allow attachment to compatible sanding tools, while one 6-inch 150-grit option is specifically listed as a no-hole disc.

  • Available diameters include 3, 5, 6, 8, 9, and 12 inches.
  • A listed 5-inch disc is compatible with disc, double-action, and random orbital sanders.
  • Compare standard disc options with the listed no-hole 6-inch format where applicable.
Plan the quantity and construction

Choose a pack or roll that suits ongoing work

For replacement needs, a two-disc 12-inch pack is available. For recurring sanding tasks, rolls organize multiple discs together, with listed quantities of 100, 200, and 600 discs. Construction choices include paper-backed discs, cotton cloth backing, and polyester-coated cloth backing.

  • Several paper-backed rolls feature a load-resistant coating to help reduce clogging.
  • Cloth-backed options include X-weight Egyptian cotton or polyester-coated cloth construction.
  • Roll formats are listed as a convenient way to keep discs together for access during work.
FAQ

Common questions before buying

What does PSA mean for sanding discs?

PSA means pressure-sensitive adhesive. The listed discs use PSA backing to attach to compatible sanding tools.

What disc sizes are available?

The represented products include 3-, 5-, 6-, 8-, 9-, and 12-inch disc diameters.

What grit levels are represented in this category?

Listed grit levels include 36, 40, 80, 100, 150, 180, 220, 320, and 400.

Are PSA discs available in rolls?

Yes. The category includes paper-backed disc rolls with listed quantities of 100, 200, and 600 discs.

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