3/4" Grinding Wheels | McMaster-Carr

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	Diameter Diameter	Show

3/4"

	Diameter Diameter	Hide

	For Use On For Use On

	Grit Grit

	For Finish For Finish

Rough

Smooth

Extra Smooth

	Mount Type Mount Type

Quick-Change Fastener

Adhesive

	Form Form

	Disc

	Disc Shape Disc Shape

	Flat

	Manufacturer Equivalent Model Manufacturer Equivalent Model

3M Roloc

Norton Speed-Lok TR

Norton Speed-Lok TS

Standard Abrasive SocAtt

3M TSM

Merit Power-Lock Type I

Norton TY Power-Lock Type I

	For Use With For Use With

Grinders for Bits and Burs

Portable Disc Sanders

Straight Grinders

	Abrasive Material Abrasive Material

Aluminum Oxide

Silicon Carbide

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Abrasive Backing Material Abrasive Backing Material

Fabric

Plastic

	Arbor Hole Size Arbor Hole Size

1/8"

	Arbor Hole Shape Arbor Hole Shape

	Round

	Arbor Hole Arbor Hole

Unthreaded

	Quick-Change Fastener Material Quick-Change Fastener Material

Plastic

	Thickness Thickness

1/16"

	Maximum Speed Maximum Speed

20,000 to 29,999 rpm

30,000 to 99,999 rpm

	Nylon Mesh Grade Nylon Mesh Grade

	Color Color

	Black		Blue
	Brown		Green
	Maroon

	Sanding Properties Sanding Properties

Clog Resistant

Tear Resistant

	Wheel Type Wheel Type

	Type 1

	Wheel Shape Wheel Shape

Straight

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About Sanding Abrasives

A special fastener on the back of these discs allows you to easily swap one disc for another. Choose the fastener style that matches your tool or backup pad.

For technical drawings and 3-D models, click on a part number.

Quick-Change Fastener Style A

For Rough Finish
Dia.	Manufacturer Equivalent Model	Abrasive Material	Abrasive Backing Material	For Use On	Grit	Pkg. Qty.		Pkg.
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	36	25	00000000	000000
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	40	25	00000000	00000
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	50	25	00000000	00000
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	60	25	00000000	00000
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	80	25	00000000	00000
For Smooth Finish
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	100	25	00000000	00000
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	120	25	00000000	00000
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	180	25	00000000	00000
For Extra Smooth Finish
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	240	25	00000000	00000
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	Aluminum Oxide	Cloth	Steel, Wood	320	25	00000000	00000

Quick-Change Fastener Style B

For Rough Finish
Dia.	Manufacturer Equivalent Model	Abrasive Material	Abrasive Backing Material	For Use On	Grit	Pkg. Qty.		Pkg.
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	36	25	000000000	000000
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	40	25	000000000	00000
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	50	25	000000000	00000
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	60	25	000000000	00000
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	80	25	000000000	00000
For Smooth Finish
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	100	25	000000000	00000
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	120	25	000000000	00000
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	180	25	000000000	00000
For Extra Smooth Finish
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	240	25	000000000	00000
3/4"	3M Roloc, Norton Speed-Lok TR	Aluminum Oxide	Cloth	Steel, Wood	320	25	000000000	00000

Quick-Change Fastener Style C

For Rough Finish
Dia.	Manufacturer Equivalent Model	Abrasive Material	Abrasive Backing Material	For Use On	Grit	Pkg. Qty.		Pkg.
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	36	25	000000000	000000
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	40	25	000000000	00000
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	50	25	000000000	00000
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	60	25	000000000	00000
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	80	25	000000000	00000
For Smooth Finish
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	100	25	000000000	00000
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	120	25	000000000	00000
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	180	25	000000000	00000
For Extra Smooth Finish
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	240	25	000000000	00000
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	Aluminum Oxide	Cloth	Steel, Wood	320	25	000000000	00000

Backup Pads

Quick-Change Fastener Style A
For Disc Dia.	Manufacturer Equivalent Model	Shank Dia.	Max. Speed, rpm		Each
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	1/4"	40,000	0000000	000000
Quick-Change Fastener Style B
3/4"	3M Roloc, Norton Speed-Lok TR	1/4"	40,000	00000000	00000
Quick-Change Fastener Style C
3/4"	Merit Power-Lock Type I, Norton TY Power-Lock Type I	1/4"	40,000	00000000	00000

Fast-Cutting Nylon Mesh Cushioned Quick-Change Sanding Discs

Aluminum Oxide

Debur, clean, and blend faster than other nylon mesh discs. A special fastener on the back allows you to easily swap one disc for another. Choose the fastener style that matches your tool or backup pad.

Extra coarse grade is for heavy cleaning and stripping.

Coarse grade is for deburring and removing heavy rust and surface imperfections.

Medium grade is for moderate to light cleaning, blending, and surface material removal.

Fine grade is for light cleaning, blending, and finishing.

Very fine grade is for light scratch removal, finishing, and polishing.

For technical drawings and 3-D models, click on a part number.

Quick-Change Fastener Style A

Extra Coarse—For Rough Finish
Dia.	Manufacturer Equivalent Model	Max. Speed, rpm	Color	Abrasive Material	For Use On		Each
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	25,000	Black	Aluminum Oxide	Steel, Wood	0000000	00000
Coarse—For Rough Finish
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	25,000	Brown	Aluminum Oxide	Steel, Wood	00000000	0000
Medium—For Smooth Finish
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	25,000	Maroon	Aluminum Oxide	Steel, Wood	00000000	0000
Fine—For Extra Smooth Finish
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	25,000	Green	Aluminum Oxide	Steel, Wood	00000000	0000
Very Fine—For Extra Smooth Finish
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	25,000	Blue	Aluminum Oxide	Steel, Wood	00000000	0000

Quick-Change Fastener Style B

Extra Coarse—For Rough Finish
Dia.	Manufacturer Equivalent Model	Max. Speed, rpm	Color	Abrasive Material	For Use On		Each
3/4"	3M Roloc, Norton Speed-Lok TR	25,000	Black	Aluminum Oxide	Steel, Wood	00000000	00000
Coarse—For Rough Finish
3/4"	3M Roloc, Norton Speed-Lok TR	25,000	Brown	Aluminum Oxide	Steel, Wood	00000000	0000
Medium—For Smooth Finish
3/4"	3M Roloc, Norton Speed-Lok TR	25,000	Maroon	Aluminum Oxide	Steel, Wood	00000000	0000
Fine—For Extra Smooth Finish
3/4"	3M Roloc, Norton Speed-Lok TR	25,000	Green	Aluminum Oxide	Steel, Wood	00000000	0000
Very Fine—For Extra Smooth Finish
3/4"	3M Roloc, Norton Speed-Lok TR	25,000	Blue	Aluminum Oxide	Steel, Wood	00000000	0000

Backup Pads

Quick-Change Fastener Style A
For Disc Dia.	Manufacturer Equivalent Model	Shank Dia.	Max. Speed		Each
3/4"	3M TSM, Norton Speed-Lok TS, Standard Abrasive SocAtt	1/4"	40,000 rpm	0000000	000000
Quick-Change Fastener Style B
3/4"	3M Roloc, Norton Speed-Lok TR	1/4"	40,000 rpm	00000000	00000

Quick-Change Sanding Discs for Aluminum, Soft Metals, and Nonmetals

A special fastener on the back of these discs allows you to easily swap one disc for another. Choose the fastener style that matches your tool or backup pad.

For technical drawings and 3-D models, click on a part number.

Quick-Change Fastener Style B

Quick-Change Fastener Style B
Dia.	Manufacturer Equivalent Model	Abrasive Material	Abrasive Backing Material	For Use On	Choose a Grit	Pkg. Qty.		Pkg.
For Smooth Finish
3/4"	3M Roloc, Norton Speed-Lok TR	Silicon Carbide	Cloth	Aluminum, Brass, Bronze, Copper, Plastic, Rubber	100, 120	25	00000000	000000

Backup Pads

Quick-Change Fastener Style B
For Disc Dia.	Manufacturer Equivalent Model	Shank Dia.	Max. Speed, rpm		Each
3/4"	3M Roloc, Norton Speed-Lok TR	1/4"	40,000	00000000	000000

Adhesive-Back Sanding Discs

Press onto a compatible sanding tool or backup pad (sold separately); peel off to remove. Also known as PSA discs. To maintain strong adhesion, clean the pad surface with mild alcohol before applying. Do not use aggressive cleaning solvents such as MEK or acetone, which can damage the adhesive.

Cloth Abrasive Backing
Dia.	Abrasive Material	Sanding Properties	For Use On	For Use With	Choose a Grit	Pkg. Qty.		Pkg.
For Rough Finish
3/4"	Aluminum Oxide	Tear Resistant	Steel, Wood	Grinders for Bits and Burs, Portable Disc Sanders	36, 40, 50, 60, 80	100	00000000	00000
For Smooth Finish
3/4"	Aluminum Oxide	Tear Resistant	Steel, Wood	Grinders for Bits and Burs, Portable Disc Sanders	100, 120, 180, 220	100	00000000	0000
For Extra Smooth Finish
3/4"	Aluminum Oxide	Tear Resistant	Steel, Wood	Grinders for Bits and Burs, Portable Disc Sanders	240, 320, 400	100	00000000	0000

Clog-Resistant Adhesive-Back Sanding Discs

A coating prevents dust and debris from building up on the abrasive surface. Press these discs onto a compatible sanding tool or backup pad (sold separately); peel off to remove. Also known as PSA discs. To maintain strong adhesion, clean the pad surface with mild alcohol before applying. Do not use aggressive cleaning solvents such as MEK or acetone, which can damage the adhesive.

For technical drawings and 3-D models, click on a part number.

Cloth Abrasive Backing
Dia.	Abrasive Material	Sanding Properties	For Use On	For Use With	Choose a Grit	Pkg. Qty.		Pkg.
For Rough Finish
3/4"	Aluminum Oxide	Clog Resistant, Tear Resistant	Steel, Wood	Grinders for Bits and Burs, Portable Disc Sanders	40, 60, 80	100	00000000	00000
For Smooth Finish
3/4"	Aluminum Oxide	Clog Resistant, Tear Resistant	Steel, Wood	Grinders for Bits and Burs, Portable Disc Sanders	100, 120, 180	100	00000000	0000

Straight Grinder Cutoff Wheels for Metal

Side View

Use these wheels to cut through metal such as iron, stainless steel, and steel. They are reinforced with a layer of fiberglass mesh. Choose coarser grit for fast cuts; choose finer grit for smooth cuts.

Warning: Use wheels that have a greater rpm rating than the no-load rpm of your tool.

For technical drawings and 3-D models, click on a part number.

			Wheel		Material
Thick.	Arbor Hole Size	Max. Speed, rpm	Type	Shape	Abrasive	Reinforcement	For Use On	Grit		Each
3/4" Dia.
1/16"	1/8"	61,115	Type 1	Straight	Aluminum Oxide	Fiberglass Mesh	Aluminum, Iron, Stainless Steel, Steel	60	0000000	00000