320 Grit Sanding Discs | McMaster-Carr

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Diameter

Mount Type

Quick-Change Connector

Grit

For Use On

Form

Number of Vacuum Holes

Abrasive Material

Grit Rating

For Finish

For Use With

Grinders for Bits and Burs

Portable Disc Sanders

Stationary Disc Sanders

Material

Abrasive Backing Material

Disc Shape

Performance

For Sanding

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

REACH

Compliant

Not Compliant

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

Manufacturer Equivalent Model

3M Roloc

3M TSM

Merit Power-Lock Type I

Norton Speed-Lok TR

Norton Speed-Lok TS

Norton TY Power-Lock Type I

Standard Abrasive SocAtt

RoHS

Compliant

Not Compliant

Quick-Change Connection Type

Vacuum Hole Diameter

3/8"

7/16"

Quick-Change Connection Material

Arbor Hole Diameter

Arbor Hole

142 Products

Sanding Discs

Adhesive Back

Adhesive-Back Sanding Discs

Press onto sanding tools or backup pads for a hold that won’t slip

20 products

Adhesive-Back Sanding Discs for Stainless Steel and Hard Metals

Sharp and durable enough to cut hard metals without dulling quickly

11 products

Clog-Resistant Adhesive-Back Sanding Discs

Spend more time sanding and less time replacing discs

6 products

Adhesive-Back Sanding Discs for Soft Metals, Plastic, and Rubber

Prevent clogging and smearing when sanding soft materials

5 products

Adhesive-Back Vacuum Sanding Discs

Pair with a vacuum sander to keep your workspace clean

6 products

Long-Life Adhesive-Back Vacuum Sanding Discs

The tough abrasive stays sharp longer than other vacuum sanding discs

4 products

Quick-Change-Fastener Mount

Quick-Change Sanding Discs

Swap out discs in seconds so you can get right back to work

33 products

Long-Life Quick-Change Sanding Discs

Densely packed abrasive lasts longer than standard quick-change discs

21 products

Hook and Loop Mount

Hook and Loop Vacuum Sanding Discs

Pair with a vacuum sander to keep your workspace clean

16 products

Long-Life Hook and Loop Vacuum Sanding Discs

Tough abrasive stays sharp longer than other vacuum sanding discs

10 products

Hook and Loop Sanding Discs for Soft Metals, Plastic, and Rubber

Avoid buildup of soft materials that can clog other discs

7 products

Hook and Loop Sanding Discs for Stainless Steel and Hard Metals

The extra-sharp abrasive cuts through hard metals faster than other discs

7 products

Hook and Loop Sanding Discs

Switch from one grit to another without wasting discs

5 products

Long-Life Hook and Loop Sanding Discs

Tougher abrasive stays sharp longer than other hook-and-loop discs

2 products

Clog-Resistant Hook and Loop Vacuum Sanding Discs

Our most clog-resistant discs clear dust

5 products

Hook and Loop Vacuum Sanding Discs for Soft Metals, Plastic, and Rubber

Keep workspaces and discs clear of debris from soft materials

4 products

Fast-Cutting Clog-Resistant Hook and Loop Vacuum Sanding Discs

Sand quickly while capturing more dust than other vacuum discs

3 products

Fast-Cutting Hook and Loop Sanding Discs

Precision-shaped abrasive cuts easily and self-sharpens under pressure

1 product

Hook and Loop Vacuum Sanding Discs for Stainless Steel and Hard Metals

Cut through hard metals faster than other discs and remove debris as you work

4 products

Arbor Mount

Arbor-Mount Flap Sanding Discs for Masonry, Ceramics, and Composites

Flaps with super-sharp abrasive cut through challenging materials and last longer than standard discs

3 products