Flap Discs | McMaster-Carr

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Form

Flap Disc

System of Measurement

Diameter

Grit

For Use On

Mount Type

Quick-Change Fastener

Disc Shape

Arbor Hole

Arbor Hole Diameter

Grit Rating

For Finish

Arbor Hole Thread Size

5/8"-11

For Use With

Angle Grinders

Grinders for Bits and Burs

Abrasive Material

Aluminum Oxide

Ceramic

Silicon Carbide

Grinding Wheel Designation

Type 27

Type 29

Maximum Rotation Speed

Backing Plate Material

Material

Abrasive Backing Material

Fabric

Nylon Mesh

Export Control Classification Number (ECCN)

RoHS

REACH

DFARS Specialty Metals

Color

Nylon Mesh Grade

Manufacturer Equivalent Model

415 Products

About Sanding Abrasives

Long-Life Flap Sanding Discs

With more flaps than standard discs, these last 30-40% longer.

Flap Sanding Discs

Overlapping abrasive flaps bonded to a backing plate provide consistent material removal and even finishes.

Long-Life Fast-Cutting Flap Sanding Discs

With more flaps than standard discs, these last 30-40% longer.

Fast-Cutting Flap Sanding Discs

These discs have a harder abrasive than standard flap sanding discs.

Nylon Mesh Cushioned Flap Sanding Discs

When you need to achieve a more consistent finish, choose nylon mesh sanding discs over paper- or cloth-backed discs.

Aggressive-Removal Flap Sanding Discs

A heavy duty backing plate provides more support than standard discs for heavy material removal.

Cool-Sanding Flap Sanding Discs

The flaps alternate between an abrasive to remove material and a lubricant that minimizes heat to reduce discoloration of the work surface.

Trimmable Flap Sanding Discs

Replace your sanding discs less often—the backing plate on these discs can be trimmed off as the abrasive flaps wear down, allowing you to use more of the disc.

Long-Life Trimmable Flap Sanding Discs

These discs have 30% more flaps than standard flap sanding discs to last longer.

Long-Life Flap Sanding Discs for Corners

These discs have a harder abrasive than standard flap sanding discs for corners.

Flap Sanding Discs for Corners

Set at an angle and widely spaced, the overlapping abrasive flaps reach into corners.

Flap Sanding Discs for Right-Angle Welds

The flaps wrap around the outer edge of these discs to sand welds at right angles.

Flap Sanding Discs for Stainless Steel and Hard Metals

Flap Sanding Discs for
Stainless Steel and Hard Metals

Long-Life Flap Sanding Discs for
Stainless Steel and Hard Metals

With more flaps than standard discs, these last 30-40% longer.

Fast-Cutting Flap Sanding Discs
for Stainless Steel and Hard Metals

These discs have a harder abrasive than standard flap sanding discs.

Cool-Sanding Flap Sanding Discs
for Stainless Steel and Hard Metals

The flaps have an abrasive to remove material and a lubricant that minimizes heat to reduce discoloration of the work surface.

Trimmable Flap Sanding Discs for
Stainless Steel and Hard Metals

Replace your sanding discs less often—the backing plate on these discs can be trimmed off as the abrasive flaps wear down, allowing you to use more of the disc.

Flap Sanding Discs for Right-Angle Welds
on Stainless Steel and Hard Metals

The flaps wrap around the outer edge of these discs to sand welds at right angles.

Flap Sanding Discs for Corners on
Stainless Steel and Hard Metals

Set at an angle and widely spaced, the flaps reach into corners.

Flap Sanding Discs for Aluminum, Soft Metals, and Nonmetals

Flap Sanding Discs for Aluminum,
Soft Metals, and Nonmetals

A coating prevents dust and debris from building up on the abrasive surface.

Long-Life Flap Sanding Discs for
Aluminum, Soft Metals, and Nonmetals

With more flaps than standard discs, these last 30-40% longer.

Cool-Sanding Flap Sanding Discs for
Aluminum, Soft Metals, and Nonmetals

The flaps have an abrasive to remove material and a lubricant that minimizes heat to reduce discoloration of the work surface.

Flap Sanding Discs for Masonry, Ceramics, and Composites

Flap Sanding Discs for Masonry,
Ceramics, and Composites

Quick-Change Flap Sanding Discs

Fast-Cutting Quick-Change Flap Sanding Discs

The zirconia alumina grit on these discs continually fractures to produce new, sharp cutting edges that aggressively remove material from steel and wood.

Quick-Change Flap Sanding Discs

Quick-Change Flap Sanding
Discs for Right-Angle Welds

The abrasive flaps wrap around the outer edge of these discs to reach in and sand welds at right angles (fillet welds).

Quick-Change Flap Sanding Discs for
Corners on Stainless Steel and Hard Metals

Set at an angle and widely spaced, the flaps reach into corners.

Quick-Change Flap Sanding Discs
for Stainless Steel and Hard Metals

The ceramic alumina abrasive on these discs is sharp and dense enough to shape hard metals such as stainless steel, nickel, and cast iron without dulling quickly.