Cup Wheel and Brush Grinders

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79 Products

Electric Angle Grinders for Grinding Wheels and Sanding Discs

The threaded spindles on these grinders accept raised-hub grinding wheels. Grinders have a spindle lock for fast wheel changes and a side handle.

Match replacement parts to the manufacturer, model number, and type of your grinder, all of which are listed on the tool's label.

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

DeWalt

Image of Product. Front orientation. Angle Grinders. Electric Angle Grinders for Grinding Wheels and Sanding Discs.

For Wheel Dia.	Max. Rotation Speed, rpm	For Arbor Hole Thread Size	Voltage, V AC	Current, amp	Switch Type	Speed Control Type	Overall Lg.	Wt., lb.	Certification	Mfr. Model No.	Each
4 1/2"	11,000	5/8"-11	120	11	Paddle	Fixed	12"	4.625	UL Listed, CSA Certified	DWE402	0000000
4 1/2"	11,000	5/8"-11	120	11	Slide	Fixed	12"	4.625	UL Listed, CSA Certified	DWE4214	000000
5"	11,000	5/8"-11	120	12	Trigger	—	14"	7.5	UL Listed, CSA Certified	DW831	000000
5"	11,000	5/8"-11	120	13	Paddle	Fixed	13"	5.5	UL Listed, CSA Certified	DWE43114	000000
6"	9,000	5/8"-11	120	13	Paddle	Fixed	13"	6.25	UL Listed, CSA Certified	DWE43144N	000000
7"	8,500	5/8"-11	120	15	Trigger	Fixed	19 1/4"	12.125	UL Listed, CSA Certified	DWE4517	000000
9"	6,500	5/8"-11	120	15	Trigger	Fixed	19 1/4"	12.125	UL Listed, CSA Certified	DWE4519	000000

Accessories and Replacements for Angle Grinders

Backup Pads

Backup pads are required when using sanding discs. Thread the backup pad onto the tool's arbor, then attach a sanding disc and secure with its disc nut.

For Disc Dia.	Max. Rotation Speed, rpm	Arbor Hole Thread Size	Includes	Each
4 1/2"	18,000	5/8"-11	Disc Nut	000000
5"	18,000	5/8"-11	Disc Nut	00000
7"	8,600	5/8"-11	Disc Nut	00000
9", 9 1/8"	7,000	5/8"-11	Disc Nut	00000

Angle Grinder Wheel Guards

Wheel guards are required when using grinding wheels and cups.

	For Grinding Wheel
	Dia.	Designation	Form	For Mfr. Model No.		Each
For DeWalt Grinders



		4"	Type 11	—	DWE402, DWE4214	00000000	000000


		4 1/2"	Type 1	—	DWE402, DWE4214	0000000	00000
		4 1/2"	Type 27	—	DWE402, DWE4214	0000000	0000
		4 1/2"	Type 27	Flap Disc	DWE402, DWE4214	0000000	00000
		5"	Type 1	—	DW831	0000000	00000
		5"	Type 1	—	DWE402, DWE43114	0000000	00000
		5"	Type 27	—	DWE402	0000000	0000
		5"	Type 27	—	DWE43114	0000000	0000
		6"	Type 1	—	DWE43144	0000000	00000
		6"	Type 11	—	DWE4517, DWE4519	00000000	00000
		6"	Type 27	—	DWE43144	0000000	0000


		7"	Type 27	—	DWE4517	0000000	00000
		9"	Type 27	—	DWE4519	0000000	00000

For Wheel Dia.	For Arbor Hole Thread Size	For Wheel Thk.	Includes	Sold As		Each
6" to 9"	5/8"-11	1/16" to 1/4"	Flange, Hex Key, Mounting Nut	Set	00000000	000000

	For Mfr. Model No.
For DeWalt Grinders


DW831	0000000	000000
DWE402, DWE4214, DWE43114, DWE43144	0000000	0000
DWE4517, DWE4519	0000000	00000

Replacement Cords

	For Grinding Wheel Designation		Each
Electrical Cords



	—	—	00000000	000000


	For DeWalt Grinders



			DW831	Type 5	00000000	00000


			DWE402	—	00000000	00000
			DWE4214	Type 3, Type 4	00000000	00000
			DWE4517, DWE4519	—	00000000	00000
			DWE43114, DWE43144	—	0000000	00000

Replacement Flange Nuts

	For Grinding Wheel Designation		Each
For DeWalt Grinders



	DW831	Type 1	00000000	00000


	DW831	Type 2	00000000	0000
	DW831	Type 3, Type 4	0000000	0000
	DW831, DWE402, DWE4214, DWE43114, DWE43144	Type 5	00000000	0000
	DWE4517, DWE4519	—	00000000	0000

Replacement Lever Handles

	For Grinding Wheel Designation		Each
For DeWalt Grinders



	DW831	Type 1, Type 2, Type 3, Type 4, Type 5	00000000	00000


	DWE402, DWE4214, DWE43114, DWE43144	—	00000000	0000
	DWE4517, DWE4519	—	00000000	0000

Makita

Cannot Be Sold To—Angle Grinders cannot be sold to the listed areas due to product regulations.

						Speed Control
For Wheel Dia.	Max. Rotation Speed, rpm	For Arbor Hole Thread Size	Voltage	Current, amp	Switch Type	Type	Switch Type	Overall Lg.	Wt., lb.	Certification	Mfr. Model No.	Cannot Be Sold To		Each
4"	11,000	M10 × 1.25 mm	120V AC	6	Slide	Fixed	—	10 1/2"	3.125	UL Listed	GA4030K	Outside United States	0000000	000000
4 1/2"	10,500	5/8"-11	120V AC	12	Slide	Variable	Dial	11 3/4"	5.25	UL Listed	9564CV	Outside United States	0000000	000000
4 1/2"	11,000	5/8"-11	120V AC, 120V DC	7.5	Paddle	Fixed	—	10 5/8"	3.5	UL Listed	9557PB	Outside United States	0000000	00000
5"	11,000	5/8"-11	120V AC	7.5	Paddle	Fixed	—	10 3/4"	4.6	UL Listed	9558HP	Outside United States	0000000	000000

Accessories for Angle Grinders

Backup Pads

Backup pads are required when using sanding discs. Thread the backup pad onto the tool's arbor, then attach a sanding disc and secure with its disc nut.

For Disc Dia.	Max. Rotation Speed, rpm	Arbor Hole Thread Size	Includes	Each
4"	11,500	M10	Disc Nut	000000
4 1/2"	11,500	5/8"-11	Disc Nut	00000
5"	11,500	5/8"-11	Disc Nut	00000

Angle Grinder Wheel Guards

Wheel guards are required when using grinding wheels and cups.

Cannot Be Sold To—Angle Grinder Wheel Guards cannot be sold to the listed areas due to product regulations.

	For Grinding Wheel
	Dia.	Designation	For Mfr. Model No.	Cannot Be Sold To		Each
For Makita Grinders



		4"	Type 27	GA4030	Outside United States	00000000	000000


		4 1/2"	Type 1	9564CV	Outside United States	00000000	00000
		4 1/2"	Type 27	9557NB, 9557PB	Outside United States	00000000	00000
		5"	Type 27	XAG04T, XAG04Z, XAG09Z, XAG11T, XAG11Z, XAG16Z, XAG17ZU, XAG20Z, XAG21ZU	Outside United States	00000000	00000

Milwaukee

Milwaukee grinders have a spindle lock for fast wheel changes.

OSHA Compliant 29 CFR 1910.215 and OSHA Compliant 29 CFR 1926.303—Grinders that meet OSHA 29 CFR 1910.215 and OSHA 29 CFR 1926.303 are compliant with standards for abrasive wheels.

OSHA Compliant 29 CFR 1910.243—Grinders that meet OSHA 29 CFR 1910.243 are compliant with standards for hand-held equipment.

For Wheel Dia.	Max. Rotation Speed, rpm	For Arbor Hole Thread Size	Voltage, V AC	Current, amp	Switch Type	Speed Control Type	Overall Lg.	Wt., lb.	Specs. Met	Certification	Mfr. Model No.	Each
4 1/2"	12,000	5/8"-11	120	11	Paddle	Fixed	14"	5.5	OSHA Compliant 29 CFR 1910.215, OSHA Compliant 29 CFR 1910.243, OSHA Compliant 29 CFR 1926.303	UL Listed, C-UL Listed, CSA Certified	6142-31	0000000
5"	11,500	5/8"-11	120	13	Paddle	Fixed	12 1/4"	5.75	OSHA Compliant 29 CFR 1910.215, OSHA Compliant 29 CFR 1910.243, OSHA Compliant 29 CFR 1926.303	UL Listed, C-UL Listed, CSA Certified	6117-30	000000
7", 9"	6,500	5/8"-11	120	15	Trigger	Fixed	21"	13.75	OSHA Compliant 29 CFR 1910.215, OSHA Compliant 29 CFR 1910.243, OSHA Compliant 29 CFR 1926.303	UL Listed, C-UL Listed, CSA Certified	6088-30	000000

Accessories and Replacements for Angle Grinders

Backup Pads

Backup pads are required when using sanding discs. Thread the backup pad onto the tool's arbor, then attach a sanding disc and secure with its disc nut.

For Disc Dia.	Max. Rotation Speed, rpm	Arbor Hole Thread Size	Includes	Each
4 1/2"	18,000	5/8"-11	Disc Nut	000000
5"	18,000	5/8"-11	Disc Nut	00000
7"	8,600	5/8"-11	Disc Nut	00000
9", 9 1/8"	7,000	5/8"-11	Disc Nut	00000

Angle Grinder Wheel Guards

Wheel guards are required when using grinding wheels and cups.

	For Grinding Wheel
	Dia.	Designation	For Mfr. Model No.		Each
For Milwaukee Grinders



		4 1/2"	Type 1	6142-31	00000000	000000


		4 1/2"	Type 27	6142-31	000000000	00000
		5"	Type 1	6117-30	000000000	00000
		5"	Type 27	6117-30	000000000	0000
		7"	Type 27	6088-30	00000000	00000

For Wheel Dia.	For Arbor Hole Thread Size	For Wheel Thk.	Includes	Sold As		Each
6" to 9"	5/8"-11	1/16" to 1/4"	Flange, Hex Key, Mounting Nut	Set	00000000	000000

	For Mfr. Model No.
For Milwaukee Grinders


6088-30	000000000	000000
6117-30	000000000	0000
6142-31	000000000	00000

	For Mfr. Model No.
For Milwaukee Grinders


6088-30	000000000	000000
6117-30	000000000	00000
6142-31	000000000	00000

	For Mfr. Model No.
For Milwaukee Grinders


6117-30, 6140-30, 6142-31	00000000	00000
6088-30	00000000	0000

	For Mfr. Model No.
For Milwaukee Grinders


6117-30, 6142-31	000000000	00000

Portable Vertical Grinders for Wheels


For Straight-Cup Grinding Wheel	For Flared Cup Grinding Wheel	For Raised Hub Grinding Wheel

With more power than angle grinders, these vertical grinders quickly remove large amounts of stock, rust, scale, and other materials. They’re also heavier than angle grinders, so they reduce fatigue when working on a bench. They’re good for heavy duty applications in foundries and shipyards. The threaded spindles accept grinding wheels. These grinders 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.

For Type 6 Grinding Wheels and For Type 11 Grinding Wheels—Often used for heavy removal in grinding and snagging operations.

For Grinding Wheel								Inlet			Speed Control
Shape	Designation	For Wheel Dia.	Max. Rotation Speed, rpm	Power, hp	For Arbor Hole Thread Size	Airflow @ Pressure	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Type	Switch Type	Overall Lg.	Wt., lb.		Each
Straight Cup Flared Cup	Type 6 Type 11	6"	6,000	5	5/8"-11	53.5 ft³/min @ 90 psi	Side	NPT	1/2	1/2"	Fixed	Lever	8 3/4"	12 1/4	0000000	000000000
Raised Hub	Type 27	7"	8,000	5	5/8"-11	53.5 ft³/min @ 90 psi	Side	NPT	1/2	1/2"	Fixed	Lever	8 3/8"	11 1/4	0000000	00000000

Medium Duty Air-Powered Angle Grinders for Grinding Wheels and Sanding Discs

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

Grinders have an angled head for accessing hard-to-reach places and a threaded spindle. 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.

						Inlet			Speed Control
For Wheel Dia.	Max. Rotation Speed, rpm	Power, hp	For Arbor Hole Thread Size	Airflow @ Pressure	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Type	Switch Type	Overall Lg.	Wt., lb.		Each
2"	12,000	2/5	1/4"-20	3 ft³/min @ 90 psi	Back	NPT	1/4	3/8"	Variable	Lever	6"	1.25	00000000	0000000
4"	11,000	3/4	3/8"-24	12 ft³/min @ 90 psi	Front	NPT	1/4	3/8"	Variable	Lever	9"	4	00000000	000000
4 1/2"	12,000	4/5	5/8"-11	14 ft³/min @ 90 psi	Back	NPT	1/4	3/8"	Variable	Lever	9"	4.25	00000000	000000
7"	4,500	1	5/8"-11	12 ft³/min @ 90 psi	Front	NPT	1/4	3/8"	Variable	Lever	12"	5.75	00000000	000000

Light Duty Air-Powered Angle Grinders for Grinding Wheels and Sanding Discs

Use these grinders for light, intermittent grinding and sanding.

Grinders have an angled head for accessing hard-to-reach places and a threaded spindle. 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.

						Inlet			Speed Control
For Wheel Dia.	Max. Rotation Speed, rpm	Power, hp	For Arbor Hole Thread Size	Airflow @ Pressure	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Type	Switch Type	Overall Lg.	Wt., lb.		Each
4"	11,000	3/4	3/8"-24	6 ft³/min @ 90 psi	Front	NPT	1/4	3/8"	Variable	Lever	9"	4	00000000	0000000

Heavy Duty Air-Powered Angle Grinders for Grinding Wheels and Sanding Discs

Rated for continuous use to take on tough jobs, these grinders have heavy duty gears for smooth operation and long tool life.

Grinders have an angled head for accessing hard-to-reach places and a threaded spindle. 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.

						Inlet			Speed Control
For Wheel Dia.	Max. Rotation Speed, rpm	Power, hp	For Arbor Hole Thread Size	Airflow @ Pressure	Exhaust Location	Thread Type	Pipe Size	For Hose ID	Type	Switch Type	Overall Lg.	Wt., lb.		Each
4"	12,000	1	3/8"-24	17 ft³/min @ 90 psi	Back	NPT	3/8	3/8"	Variable	Lever	9 1/4"	3 3/4	0000000	0000000
4 1/2"	12,000	1	5/8"-11	17 ft³/min @ 90 psi	Back	NPT	3/8	3/8"	Variable	Lever	9 1/4"	3 3/4	0000000	000000