9" Cutoff Wheels | McMaster-Carr

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	Diameter Diameter	Show

	Diameter Diameter	Hide

	Thickness Thickness

	Wheel Type Wheel Type

	Type 1		Type 27

	Arbor Hole Size Arbor Hole Size

	Arbor Hole Arbor Hole

Unthreaded

Threaded

	Arbor Hole Shape Arbor Hole Shape


Round	Diamond

	For Use On For Use On

	For Use With For Use With

Angle Grinders

Bench-Top Cutoff Saws

Cold Saws

Floor-Mount Cutoff Saws

Hand-Held Circular Saws

Portable Cutoff Saws

	Grit Grit

	Wheel Shape Wheel Shape

Straight

Raised Hub

	Abrasive Material Abrasive Material

Aluminum Oxide

Diamond

Ceramic

	Maximum Speed Maximum Speed

Less than 10,000 rpm

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

DFARS Specialty Metals
COTS-Exempt

	Reinforcement Material Reinforcement Material

Fiberglass Mesh

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	For Hardness For Hardness

Rockwell C55-C68

Rockwell C40-C55

Rockwell C30-C40

	Number of Teeth Number of Teeth

120

	Width of Cut Width of Cut

	Hook Angle Hook Angle

	Body Material Body Material

Steel

	Tooth Material Tooth Material

Steel

Carbide

	Pinhole Center-to-Center Pinhole Center-to-Center

24 Products

Angle Grinder Cutoff Wheels for Metal

Side View

Use these wheels to cut through metal such as aluminum, iron, stainless steel, and steel. They are reinforced with two layers 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
9" Dia.
0.065"	7/8"	6,600	Type 1	Straight	Aluminum Oxide	Fiberglass Mesh	Aluminum, Iron, Stainless Steel, Steel	46	00000000	00000
3/32"	7/8"	6,600	Type 1	Straight	Aluminum Oxide	Fiberglass Mesh	Aluminum, Iron, Stainless Steel, Steel	24	0000000	0000

Flush-Cut Angle Grinder Cutoff Wheels for Metal

Side View

Also known as Type 27, raised-hub, and depressed-center cutoff wheels, these wheels outperform Type 1 wheels when making flush cuts in aluminum, iron, stainless steel, and steel. Wheels are reinforced with two layers 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	Arbor Hole Thread Size	Max. Speed, rpm	Type	Shape	Abrasive	Reinforcement	For Use On	Grit		Each
9" Dia.
3/32"	__	5/8"-11	6,600	Type 27	Raised Hub	Aluminum Oxide	Fiberglass Mesh	Aluminum, Iron, Stainless Steel, Steel	24	0000000	000000
3/32"	7/8"	__	6,600	Type 27	Raised Hub	Aluminum Oxide	Fiberglass Mesh	Aluminum, Iron, Stainless Steel, Steel	24	0000000	0000

Contaminant-Free Angle Grinder Cutoff Wheels for Stainless Steel

Side View

Prevent corrosion and discoloration on stainless steel—these wheels contain less than 0.1% iron, chloride, and sulfur contaminants. They have an aluminum oxide grit and are reinforced with two layers 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	Grit		Each
9" Dia.
0.078"	7/8"	6,600	Type 1	Straight	Aluminum Oxide	Fiberglass Mesh	46	0000000	000000

Flush-Cut Contaminant-Free Angle Grinder Cutoff Wheels for Stainless Steel

Side View

Also known as Type 27, raised-hub, and depressed-center cutoff wheels, these wheels outperform Type 1 wheels when making flush cuts. They contain less than 0.1% iron, chloride, and sulfur contaminants, so they won't corrode or discolor stainless steel. Wheels are aluminum oxide abrasive that is reinforced with two layers of fiberglass mesh.

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	Grit		Each
9" Dia.
0.078"	7/8"	6,600	Type 27	Raised Hub	Aluminum Oxide	Fiberglass Mesh	46	00000000	000000

Flush-Cut Angle Grinder Cutoff Wheels for Aluminum, Brass, and Copper

Side View

Also known as Type 27, raised-hub, and depressed-center cutoff wheels, these wheels outperform Type 1 wheels when making flush cuts. They make quick cuts in soft metal such as aluminum, brass and copper without clogging. Wheels are reinforced with two layers of fiberglass mesh.

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 Thread Size	Max. Speed, rpm	Type	Shape	Abrasive	Reinforcement	Grit		Each
9" Dia.
1/16"	5/8"-11	6,600	Type 27	Raised Hub	Aluminum Oxide	Fiberglass Mesh	24	0000000	000000

Cutoff Wheels for Metallurgical Testing

Side View

Create the nearly polished finish required for testing metal with these non-reinforced aluminum oxide wheels. They are not for use on hand-held saws.

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
Thick.	For Hardness	Arbor Hole Size	Max. Speed, rpm	Type	Shape	Abrasive Material	For Use On	Grit		Each
9" Dia.
0.063"	Rockwell C30-C40	1 1/4"	4,025	Type 1	Straight	Aluminum Oxide	Iron, Stainless Steel, Steel	90	0000000	000000
0.063"	Rockwell C40-C55	1 1/4"	4,025	Type 1	Straight	Aluminum Oxide	Iron, Stainless Steel, Steel	100	0000000	00000
0.063"	Rockwell C55-C68	1 1/4"	4,025	Type 1	Straight	Aluminum Oxide	Stainless Steel, Steel	100	0000000	00000

Portable Cutoff Saw Wheels for Metal

Side View

Use these wheels to cut through metal such as aluminum, iron, stainless steel, and steel. They are reinforced with a layer of fiberglass mesh.

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

			Wheel		Material
Thick.	Arbor Hole Size	Max. Speed, rpm	Type	Shape	Abrasive	Reinforcement	For Use On	Grit		Each
9" Dia.
5/64"	7/8"	6,600	Type 1	Straight	Ceramic	Fiberglass Mesh	Aluminum, Iron, Stainless Steel, Steel	60	0000000	000000

Portable Cutoff Saw Wheels for Masonry and Concrete

Side View

Make cuts in hard, brittle materials such as firebrick, stone, and concrete. These wheels are silicon carbide that is reinforced with a layer of fiberglass mesh.

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

			Wheel		Material
Thick.	Arbor Hole Size	Max. Speed, rpm	Type	Shape	Abrasive		Each
9" Dia.
1/4"	7/8"	6,600	Type 1	Straight	Diamond	0000000	000000

Fast-Cut Long-Life Circular Saw Blades for Masonry and Stone

Round/Diamond Arbor

The edge of the blade is segmented to cut faster than a continuous edge. These blades have diamond grit that lasts up to three times longer than the grit on other blades for masonry and stone in continuous use applications on hard, abrasive materials. Use dry or with water or coolant (not included). Blades come with a reducer bushing to adjust the arbor diameter. For blades with a round/diamond arbor, detach the center piece to expose the diamond shape.

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

				Material
Arbor Hole Size	Arbor Hole Shape	Width of Cut	Max. Speed, rpm	Abrasive	Body	Cutting Application	Diamond Depth	Edge Style	Includes		Each
9" Dia.
5/8", 7/8"	Round/Diamond	0.09"	6,790	Diamond	Steel	Dry, Wet	0.4"	Segmented	Reducer Bushing	0000000	0000000

Smooth-Cut Long-Life Circular Saw Blades for Masonry and Stone

Round/Diamond Arbor

A continuous edge on these blades produces smooth cuts. They have diamond grit that lasts up to three times longer than the grit on other blades for masonry and stone in continuous use applications on hard, abrasive materials. Use dry or with water or coolant (not included). Blades come with a reducer bushing to adjust the arbor diameter. For blades with a round/diamond arbor, detach the center piece to expose the diamond shape.

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

				Material
Arbor Hole Size	Arbor Hole Shape	Width of Cut	Max. Speed, rpm	Abrasive	Body	Cutting Application	Diamond Depth	Edge Style	Includes		Each
9" Dia.
5/8", 7/8"	Round/Diamond	0.09"	6,790	Diamond	Steel	Dry, Wet	0.4"	Continuous	Reducer Bushing	0000000	0000000

Nonstick Smooth-Cut Circular Saw Blades for Wood

Blade for Across-Grain Cuts

Round Arbor

These blades have a heat-resistant coating to prevent material buildup. They have a large number of teeth to produce a smooth cut. Choose blades with more teeth for a smoother cut.

						Material
Arbor Hole Size	Arbor Hole Shape	Number of Teeth	Width of Cut	Max. Speed, rpm	Hook Angle	Tooth	Body	Cut Type		Each
9" Dia.
5/8"	Round	72	0.116"	8,000	10°	Steel	Steel	Across Grain	000000000	000000

Circular Saw Blades for Steel

Round Arbor

Make fast, clean cuts in steel sheets, angle iron, rebar, and pipe with the carbide teeth on these blades. Choose blades with more teeth for a smoother cut. Blades with a narrower width of cut make faster cuts with less material loss.

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

						Material
Arbor Hole Size	Arbor Hole Shape	Number of Teeth	Width of Cut	Max. Speed, rpm	Hook Angle	Tooth	Body		Each
9" Dia.
1"	Round	48	0.079"	3,200	3°	Carbide-Tipped Steel	Steel	0000000	000000

Circular Saw Blades for Stainless Steel

Round Arbor

Cut stainless steel sheets, pipe, tubing, and grating with teeth made of impact-resistant carbide. Choose blades with more teeth for a smoother cut.

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

						Material
Arbor Hole Size	Arbor Hole Shape	Number of Teeth	Width of Cut	Max. Speed, rpm	Hook Angle	Tooth	Body		Each
9" Dia.
1"	Round	56	0.071"	3,200	7°	Carbide	Steel	0000000	000000
1"	Round	60	0.07"	3,000	10°	Carbide	Steel	0000000	00000

Circular Saw Blades for Copper, Brass, and Bronze

Round Arbor

Prevent clogging when cutting soft metal—these blades have plenty of space between the carbide-tipped teeth to allow chips to escape. Choose blades with more teeth for a smoother cut.

						Material
Arbor Hole Size	Arbor Hole Shape	Number of Teeth	Width of Cut	Max. Speed, rpm	Hook Angle	Tooth	Body		Each
9" Dia.
1"	Round	64	0.093"	3,200	7°	Carbide-Tipped Steel	Steel	0000000	000000

Circular Saw Blades for Aluminum

Round Arbor

Teeth are carbide tipped and designed to push chips away from the blade to prevent clogging and produce smooth cuts in aluminum sheets, tubing, and T-slotted framing. Choose blades with more teeth for a smoother cut. Blades with a narrower width of cut make faster cuts with less material loss.

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

						Material
Arbor Hole Size	Arbor Hole Shape	Number of Teeth	Width of Cut	Max. Speed, rpm	Hook Angle	Tooth	Body		Each
9" Dia.
1"	Round	80	0.094"	3,000	8°	Carbide-Tipped Steel	Steel	0000000	000000

Cold Saw Blades for Steel and Cast Iron

Round Arbor

Blades and teeth are steel and treated to a Rockwell Hardness between C63 and C65 for increased wear resistance when cutting through steel and cast iron bars, rods, pipe, and tubing. Choose blades with more teeth for a smoother cut.

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

						Material
Arbor Hole Size	Arbor Hole Shape	Number of Teeth	Width of Cut	Max. Speed, rpm	Hook Angle	Tooth	Body	Hardness		Each
9" Dia.
32 mm	Round	120	0.078"	65	15°	Steel	Steel	Rockwell C63-C65	0000000	000000
40 mm	Round	120	0.078"	65	15°	Steel	Steel	Rockwell C63-C65	0000000	00000

Cold Saw Blades for Stainless Steel

Round Arbor

Use these titanium carbonitride (TiCN) coated blades on stainless steel bars, rods, pipe, and tubing. Blades and teeth are steel and treated to a Rockwell Hardness between C63 and C65 for increased wear resistance. Choose blades with more teeth for a smoother cut.

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

						Material
Arbor Hole Size	Arbor Hole Shape	Number of Teeth	Width of Cut	Max. Speed, rpm	Hook Angle	Tooth	Body	Hardness		Each
9" Dia.
32 mm	Round	120	0.078"	65	15°	TiCN-Coated Steel	TiCN-Coated Steel	Rockwell C63-C65	0000000	0000000
40 mm	Round	120	0.078"	65	15°	TiCN-Coated Steel	TiCN-Coated Steel	Rockwell C63-C65	0000000	000000