40 Grit Flap Wheels | McMaster-Carr

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Diameter

Grit

Disc Shape

For Use On

Arbor Hole

Mount Type

Quick-Change Connector

Arbor Hole Diameter

Form

Abrasive Material

Ceramic Alumina/Zirconia Alumina Blend

Grit Rating

For Use With

Grinders for Bits and Burs

Material

Maximum Rotation Speed

Backing Plate Material

Aluminum

Fiberglass

Plastic

Grinding Wheel Designation

Type 27

Type 29

For Finish

Rough

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

Width

For Sanding

Abrasive Backing Material

REACH

RoHS

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

Rotation Speed

Less than 10,000 rpm

10,000 rpm to 12,999 rpm

13,000 rpm to 19,999 rpm

Thread Size

5/8"-11

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238 Products

Sanding Discs

Arbor Mount

Long-Life Arbor-Mount Flap Sanding Discs

Loaded with more abrasive than standard flap sanding discs to last 30-40% longer

56 products

Arbor-Mount Flap Sanding Discs

Overlapping flaps reveal new grit as you work for steady material removal and even finishes

44 products

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

More abrasive than other flap discs for hard metals to last 30-40% longer

12 products

Arbor-Mount Flap Sanding Discs for Stainless Steel and Hard Metals

Expose fresh grit as you sand hard metals for longer life than standard discs

13 products

Aggressive-Removal Arbor-Mount Flap Sanding Discs

The aluminum backing plate handles heavy pressure

4 products

Arbor-Mount Flap Sanding Discs for Inside Corner Welds

Smooth out welds in tight corners with discs that hit them at the perfect angle

8 products

Arbor-Mount Flap Sanding Discs for Soft Metals, Plastic, and Rubber

Resist buildup from soft metals and nonmetals that would clog and prematurely wear other discs

5 products

Trimmable Arbor-Mount Flap Sanding Discs

Trim as the flaps wear down, so you don't have to replace the disc until all the abrasive is gone

4 products

Arbor-Mount Flap Sanding Discs for Corners on Stainless Steel and Hard Metals

Angled flaps with tough abrasive fit inside corners to remove material from hard metals

2 products

Arbor-Mount Flap Sanding Discs for Corners

Angled-edge flaps reach farther into corners than discs with standard flaps

3 products

Trimmable Arbor-Mount Flap Sanding Discs for Stainless Steel and Hard Metals

Sand hard metals, trim the disc, and then sand some more

6 products

Long-Life Trimmable Arbor-Mount Flap Sanding Discs

More abrasive flaps than other trimmable sanding discs to last longer

2 products

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

Remove material from hard metals without overheating or discoloring your work surface

8 products

Cool-Sanding Arbor-Mount Flap Sanding Discs

Prevent overheating or discoloring work surfaces

7 products

Long-Life Arbor-Mount Flap Sanding Discs for Soft Metals, Plastic, and Rubber

Work longer without changing discs when sanding soft metals and nonmetals

3 products

Cool-Sanding Arbor-Mount Flap Sanding Discs for Soft Metals, Plastic, and Rubber

Avoid overheating or discoloring soft metal and nonmetal workpieces

3 products

Quick-Change-Connector Mount

Quick-Change Flap Sanding Discs

Control sanding pressure more easily than with standard quick-change discs

20 products

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

Angled-edge flaps reach farther into corners than discs with standard flaps

7 products

Quick-Change Flap Sanding Discs for Inside Corner Welds

Sweep these discs into corners to hit welds at the perfect angle

2 products

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

A slick coating on the flaps prevents buildup when sanding hard metals

7 products

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

Overlapping flaps with sharp, durable abrasive create an even finish on hard metals

7 products

Other Products

Flap Wheels

Create a uniform finish on flat and curved surfaces without gouging them

20 products

Sanding Sleeves

Use with grinders to shape, deburr, and sand edges and internal surfaces

2 products