Whizzer Saws | McMaster-Carr

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8 Products

Medium Duty Air-Powered Portable Cutoff Saws

A higher air consumption rating gives these saws more power and allows them to cut for longer periods than light duty cutoff saws. Powered by air, they have more consistent power than battery-powered saws, so they’re less likely to stall out as you cut dense material. Use them for general purpose cutting, such as cutting through bolts and trimming excess metal from installed parts. They’re portable and have a durable composite handle, so you can move them where needed. Use them with abrasive wheels.

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

							Air Inlet
Power, hp	Air Consumption, ft³/min	For Wheel Dia.	For Arbor Hole Dia.	No-Load Rotational Speed, rpm	Max. Cutting Dp.	Recommended Operating Air Pressure, psi	Pipe Size	Thread Type	Gender	For Air Hose ID	Exhaust Location	Wt., lb.	Wheel Included	Includes		Each



	1/2	4.5	3"	3/8"	20,000	3/4"	90	1/4	NPT	Female	3/8"	Back	1.7	Yes	One 3" Dia. × 1/8" Thick Aluminum Oxide Cutoff Wheel for Metal	00000000	0000000

Compact Cordless Cutoff Saws

At less than 3 lbs., these saws are light enough to use with one hand but powerful enough to cut through rebar. Using an abrasive wheel, they’re often used to cut pipes overhead or in tight spaces. Because they run on batteries, they're great for quick jobs when you don't have an air compressor or outlet.

Connect the dust hood to a dust collector to keep your workspace clean and remove debris from the air. If you're cutting on a flat surface, the dust hood helps stabilize the saw, making it easier to control the depth of your cut.

Some saws include rechargeable batteries. For other saws, batteries and chargers are sold separately.

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

Brushless Motor—A brushless motor optimizes battery usage, so these saws run longer on a single charge. It also enhances longevity—they run cool and have few moving parts that require maintenance.

Reversible Wheel Rotation—Saws with reversible wheel rotation let you switch the wheel's direction to control where it sends sparks and debris.

Brake—Saws with a brake come to a stop when you release the trigger, so you can quickly reposition your tool and move on to your next cut.

							Batteries
	Motor Type	For Wheel Dia.	For Arbor Hole Dia.	No-Load Rotational Speed, rpm	Max. Cutting Dp.	Wt., lb.	Included	No. Required	Battery Charger Included	Wheel Rotation	Includes	Features	Cannot Be Sold To		Each
DeWalt DCS438B—20V DC



		Brushless	3"	3/8", 7/16"	20,000	7/8"	2	No	1	No	Nonreversible	One 3" Dia. × 1/8" Thick Aluminum Oxide Cutoff Wheel for Metal One 3" Dia. × 3/8" Thick Diamond Cutoff Wheel for Metal, Composites, Plastic, and Concrete One 3" Dia. × 3/8" Thick Diamond Cutoff Wheel for Metal, Masonry, and Ceramics Dust Hood	LED Light	—	00000000	0000000


		Makita XCM01Z—18V DC



				Brushless	3"	3/8"	20,000	5/8"	2.6	No	1	No	Reversible	One 3" Dia. × 3/64" Thick Aluminum Oxide Cutoff Wheel for Metal One 3" Dia. × 3/64" Thick Carbide Cutoff Wheel for Plastic and Composites One 3" Dia. × 3/64" Thick Diamond Cutoff Wheel for Ceramics Dust Hood	Brake, LED Light	Outside United States	00000000	000000


				Milwaukee 2522-20—12V DC



						Brushless	3"	3/8", 7/16"	20,000	5/8"	1.5	No	1	No	Reversible	One 3" Dia. × 3/64" Thick Carbide Cutoff Wheel for Plastic, Concrete, and Composites One 3" Dia. × 3/64" Thick Diamond Cutoff Wheel for Ceramics Dust Hood	LED Light	—	00000000	000000


						Milwaukee 2522-21XC—12V DC



								Brushless	3"	3/8", 7/16"	20,000	5/8"	1.5	Yes	—	Yes	Reversible	One 3" Dia. × 3/64" Thick Carbide Cutoff Wheel for Plastic, Concrete, and Composites One 3" Dia. × 3/64" Thick Diamond Cutoff Wheel for Ceramics Dust Hood Canvas Bag	LED Light	—	00000000	000000

Heavy Duty Air-Powered Portable Cutoff Saws


Style A	Style B

With twice the horsepower of medium duty saws, these saws cut more quickly and through harder materials. Powered by air, they have more consistent power than battery-powered saws, so they're less likely to stall out as you cut dense material. They’re often used to cut through thick, installed material such as T-slotted framing. Use them with abrasive wheels.

Warning: You must use wheels with a greater rpm rating than the no-load rpm of your tool.

Style B—Style B fit in tight spaces—they have a longer reach and use smaller cutoff wheels than Style A.

									Air Inlet
Style	Power, hp	Air Consumption, ft³/min	For Wheel Dia.	For Arbor Hole Dia.	Overall Lg.	No-Load Rotational Speed, rpm	Max. Cutting Dp.	Recommended Operating Air Pressure, psi	Pipe Size	Thread Type	Gender	For Air Hose ID	Exhaust Location	Wt., lb.	Wheel Included		Each



	A	1	6	4"	3/8"	9 3/8"	18,000	5/8"	90	1/8	NPT	Female	3/8"	Back	3	No	0000000	0000000


	B	1	6	3"	3/8"	14 7/8"	18,000	1/2"	90	1/8	NPT	Female	3/8"	Back	3.9	No	0000000	000000

Light Duty Air-Powered Portable Cutoff Saws

These economy cutoff saws have a lightweight nylon handle and are for less prolonged use than our medium duty air-powered cutoff saws. Easy to carry and portable, you can take these saws where you need them. They come in handy to cut through materials that have already been installed, such as pipe or tubing. Powered by air, these saws have more consistent power than battery-powered saws, so they’re less prone to bogging down and stalling when cutting. Use abrasive wheels with these saws.

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

							Air Inlet
Power, hp	Air Consumption, ft³/min	For Wheel Dia.	For Arbor Hole Dia.	No-Load Rotational Speed, rpm	Max. Cutting Dp.	Recommended Operating Air Pressure, psi	Pipe Size	Thread Type	Gender	For Air Hose ID	Exhaust Location	Wt., lb.	Wheel Included	Includes		Each



	1/2	4	2 7/8" to 3"	3/8"	20,000	3/4"	90	1/4	NPT	Female	3/8"	Front	1.8	Yes	One 2 7/8" Dia. × 1/16" Thick Aluminum Oxide Cutoff Wheel for Metal	0000000	000000