Cup Brush Die Grinders | McMaster-Carr

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	Power Source Power Source

Air

Electric

Battery

	System of Measurement System of Measurement

Inch

	For Shank Diameter For Shank Diameter

	For Use With For Use With	Show

Cup Brushes

	For Use With For Use With	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

Grinders for Bits and Burs

	Maximum Speed Maximum Speed

Less than 20,000 rpm

22,000 to 29,999 rpm

30,000 to 39,999 rpm

40,000 rpm or greater

	Inlet Pipe Size Inlet Pipe Size

1/8

1/4

	Exhaust Location Exhaust Location

Rear

Front

	Manufacturer Manufacturer

DeWalt

Dremel

	Manufacturer Model Number Manufacturer Model Number

	Overall Length Overall Length

	Weight Weight

	Power Power

Less than 0.25 hp

0.3 to 0.49 hp

0.5 to 0.74 hp

	For Hose ID For Hose ID

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

DFARS Specialty Metals
COTS-Exempt

	Speed Control Switch Type Speed Control Switch Type

Lever

Ring

	Speed Control Type Speed Control Type

Fixed

Variable

	Battery Voltage Battery Voltage

4V DC

12V DC

	Airflow Airflow

	Current Current

1.2A

1.6A

4.2A

	Head Angle Head Angle

60°

98°

	Switch Type Switch Type

Slide

Paddle

Push Button

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

RoHS Compliant

	Specifications Met Specifications Met

CSA

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25 Products

Light Duty Air-Powered Straight Grinders for Bits and Burs

Use these grinders for light, intermittent grinding, deburring, and finishing.

They are also known as die grinders.

Style A has a lever lock to prevent accidental start-up.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

Grinders
						Inlet			Speed Control					Replacement Inch Collets		Replacement Metric Collets
	Max. Speed, rpm	Power, hp	For Shank Dia.	Airflow	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Switch Type	O'all Lg.	Wt., lbs.		Each		Each		Each
A	22,000	2/5	6mm, 1/4"	13 cfm @ 90 psi	Rear	NPT	1/4	3/8"	Lever	5 3/4"	1.25	0000000	0000000	0000000	000000	0000000	000000
C	30,000	3/10	6mm, 1/4"	12 cfm @ 90 psi	Front	NPT	1/4	3/8"	Lever	4 3/4"	0.75	0000000	000000	0000000	00000	0000000	00000

1/4" to 1/8" Collet Reducer Bushing

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Each

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Medium Duty Air-Powered Straight Grinders for Bits and Burs

More durable than our Light Duty Grinders, these are designed for more frequent use.

They are also known as die grinders. They have a lever lock to prevent accidental start-up.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

Grinders
						Inlet								Replacement Collets
	Max. Speed, rpm	Power, hp	For Shank Dia.	Airflow	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Speed Control Switch Type	O'all Lg.	Wt., lbs.		Each		Each
A	24,000	1/2	1/4"	10.5 cfm @ 90 psi	Rear	NPT	1/4	3/8"	Lever	5 3/4"	1 1/4	0000000	0000000	0000000	000000

1/4" to 1/8" Collet Reducer Bushing

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Each

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Heavy Duty Air-Powered Straight Grinders for Bits and Burs

High-quality bearings ensure long spindle life, even when grinders are used continuously.

They are also known as die grinders.

Styles A and B have a lever lock to prevent accidental start-up. Style C is a high-speed, lightweight, pencil-sized tool.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

Grinders
						Inlet			Speed Control						Replacement Collets		Replacement Collet Guards
	Max. Speed, rpm	Power, hp	For Shank Dia.	Airflow	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Type	Switch Type	O'all Lg.	Wt., lbs.		Each		Each		Each
B	18,000	3/5	1/4"	30 cfm @ 90 psi	Rear	NPT	1/4	5/16"	__	Lever	6 7/8"	1 1/2	00000000	0000000	00000000	000000	00000000	000000
B	25,000	0.3	1/4"	16 cfm @ 90 psi	Rear	NPT	1/4	1/4"	__	Lever	6"	3/4	00000000	000000	00000000	00000	00000000	00000
C	60,000	1/10	1/8"	9 cfm @ 90 psi	Rear	NPT	1/8	3/16"	Variable	Ring	5 7/8"	3/8	0000000	000000	0000000	00000	0000000	00000

Optional 3/32" Collet for Style C	0000000	Each	000000
1/4" to 1/8" Collet Reducer Bushing	00000000	Each	0000

Electric Straight Grinders for Bits and Burs

Also known as die grinders.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

	Max. Speed, rpm	For Shank Dia.	Double Insulated	Voltage	Current, A	Electrical Connection	Frequency, Hz	Switch Type	Speed Control Type	O'all Lg.	Wt., lbs.	Specifications Met	Manufacturer	Manufacturer Model No.		Each
D	25,000	1/4"	Yes	120V AC	4.2	Plug	60	Paddle	Fixed	14"	3.75	UL Listed, CSA Certified	DeWalt	DWE4887	0000000	0000000

Replacement Brush for DeWalt Grinder No. DWE4011, DWE4012, DWE4020, DWE4100, DWE4120, DWE4120N, DWE4887, DWE4887N

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Each

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Dremel Electric and Cordless Straight Grinder Kits

Grind, sand, finish, and polish with these versatile kits.

They come with a light duty Dremel grinder that accepts a multitude of accessories. Grinders have a shaft lock for easy tool changes.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

Electric

Manufacturer Model No.	Max. Speed, rpm	For Shank Dia.	Switch Type	Speed Control Type	Voltage	Current, A	Electrical Connection	O'all Lg.	Wt., lbs.	Specifications Met	Includes		Each
3000-1/24	32,000	1/8"	Slide	Variable	120V AC	1.2	Plug	7 1/2"	1 1/4	CSA Certified	Light Duty Grinder, 24 Assorted Accessories, Plastic Storage Case	0000000	000000
4000-2/30	35,000	1/8"	Slide	Variable	120V AC	1.6	Plug	8 1/2"	1 1/4	CSA Certified	Light Duty Grinder, 30 Assorted Accessories, Circle Cutter, Plastic Storage Case	0000000	000000

Cordless

Manufacturer Model No.	Max. Speed, rpm	For Shank Dia.	Switch Type	Speed Control Type	Batteries Included	O'all Lg.	Wt., lbs.	Specifications Met	Includes		Each
7760-N/10	25,000	1/32", 1/16", 3/32", 1/8"	Push Button	Variable	Yes	7 1/2"	1 1/2	CSA Certified	Light Duty Grinder, 2.75-Hour Charger, 10 Assorted Accessories	00000000	000000
8220-1/28	35,000	1/32", 1/16", 3/32", 1/8"	Slide	Variable	Yes	6"	1 1/2	CSA Certified	28 Assorted Accessories, 1-Hour Charger, Cutting Guide Attachment, Light Duty Grinder, Plastic Storage Case	0000000	000000

Medium Duty Air-Powered Angle Grinders for Bits and Burs

More durable than our Light Duty Grinders, these are designed for more frequent use.

They are also known as die grinders.

Grinders have an angled head for accessing hard-to-reach places and a lever lock to prevent accidental start-up.

Style B has a 60° angled head to get into spots a right-angle grinder can't reach and a soft grip to reduce vibration.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

						Inlet
	Max. Speed, rpm	Power, hp	For Shank Dia.	Airflow	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Speed Control Switch Type	Head Angle	O'all Lg.	Wt., lbs.		Each
B	18,000	1/2	1/4"	3.3 cfm @ 90 psi	Rear	NPT	1/4	3/8"	Lever	60°	7 3/4"	1 3/4	0000000	0000000

1/4" to 1/8" Collet Reducer Bushing

00000000

Each

00000

Heavy Duty Air-Powered Angle Grinders for Bits and Burs

With high-quality bearings and collets for long spindle life, these grinders are rated for continuous use to take on tough jobs.

They are also known as die grinders.

Grinders have an angled head for accessing hard-to-reach places and a lever lock to prevent accidental start-up. Style C is a high-speed, lightweight, pencil-sized tool.

Caution: Use only accessories that have a greater rpm rating than the maximum speed of the grinder you choose.

						Inlet
	Max. Speed, rpm	Power, hp	For Shank Dia.	Airflow	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Speed Control Switch Type	Head Angle	O'all Lg.	Wt., lbs.		Each
C	80,000	1/10	1/8"	9 cfm @ 90 psi	Rear	NPT	1/8	3/16"	Ring	98°	5 1/2"	3/8	0000000	0000000

1/8" Replacement Collet for 4343A82

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Each

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