Sanding Disc Grinders | McMaster-Carr

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10,000 rpm to 19,999 rpm

20,000 rpm to 29,999 rpm

30,000 rpm to 39,999 rpm

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1/8"

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60 Hz

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83 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	8705A19	0000000
4 1/2"	11,000	5/8"-11	120	11	Slide	Fixed	12"	4.625	UL Listed, CSA Certified	DWE4214	8705A64	000000
5"	11,000	5/8"-11	120	12	Trigger	—	14"	7.5	UL Listed, CSA Certified	DW831	8705A65	000000
5"	11,000	5/8"-11	120	13	Paddle	Fixed	13"	5.5	UL Listed, CSA Certified	DWE43114	8705A87	000000
6"	9,000	5/8"-11	120	13	Paddle	Fixed	13"	6.25	UL Listed, CSA Certified	DWE43144N	8705A88	000000
7"	8,500	5/8"-11	120	15	Trigger	Fixed	19 1/4"	12.125	UL Listed, CSA Certified	DWE4517	4395A19	000000
9"	6,500	5/8"-11	120	15	Trigger	Fixed	19 1/4"	12.125	UL Listed, CSA Certified	DWE4519	4395A18	000000

Accessories and Replacements for Angle Grinders

Sanding 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	4728A29	000000
5"	18,000	5/8"-11	Disc Nut	4728A31	00000
7"	8,600	5/8"-11	Disc Nut	4728A42	00000
9", 9 1/8"	7,000	5/8"-11	Disc Nut	4728A43	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	8705A101	000000
		4 1/2"	Type 1	—	DWE402, DWE4214	8705A32	00000
		4 1/2"	Type 27	—	DWE402, DWE4214	8705A28	0000
		4 1/2"	Type 27	Flap Disc	DWE402, DWE4214	8705A29	00000
		5"	Type 1	—	DW831	8705A35	00000
		5"	Type 1	—	DWE402, DWE43114	8705A34	00000
		5"	Type 27	—	DWE402	8705A33	0000
		5"	Type 27	—	DWE43114	8705A36	0000
		6"	Type 1	—	DWE43144	8705A38	00000
		6"	Type 11	—	DWE4517, DWE4519	8705A102	00000
		6"	Type 27	—	DWE43144	8705A37	0000
		7"	Type 27	—	DWE4517	4395A34	00000
		9"	Type 27	—	DWE4519	4395A35	00000

Angle Grinder Flange Adapters

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	46225A22	000000

Replacement Motor Brushes

		Each
For DeWalt Grinders


	DW831	8705A27	000000
	DWE402, DWE4214, DWE43114, DWE43144	8705A26	0000
	DWE4517, DWE4519	4395A33	00000

Replacement Electrical Cords

	For Grinding Wheel Designation		Each
For DeWalt Grinders


	DW831	Type 5	8705A887	000000
	DWE402	—	8705A885	00000
	DWE4214	Type 1, Type 2	8705A888	00000
	DWE4214	Type 3, Type 4	8705A889	00000
	DWE4517, DWE4519	—	8705A891	00000
	DWE43114, DWE43144	—	8705A89	00000

Replacement Flange Nuts

	For Grinding Wheel Designation		Each
For DeWalt Grinders


	DW831	Type 1	8705A882	00000
	DW831	Type 2	8705A883	0000
	DW831	Type 3, Type 4	8705A15	0000
	DW831, DWE402, DWE4214, DWE43114, DWE43144	Type 5	8705A881	0000
	DWE4517, DWE4519	—	8705A884	0000

Replacement Lever Handles

	For Grinding Wheel Designation		Each
For DeWalt Grinders


	DW831	Type 1, Type 2, Type 3, Type 4, Type 5	8705A894	00000
	DWE402, DWE4214, DWE43114, DWE43144	—	8705A892	0000
	DWE4517, DWE4519	—	8705A895	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	8721A21	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	8721A62	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	8721A31	00000
5"	11,000	5/8"-11	120V AC	7.5	Paddle	Fixed	—	10 3/4"	4.6	UL Listed	9558HP	Outside United States	8721A45	000000

Accessories for Angle Grinders

Sanding 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	8721A22	000000
4 1/2"	11,500	5/8"-11	Disc Nut	8721A32	00000
5"	11,500	5/8"-11	Disc Nut	8721A42	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	8721A101	000000
		4 1/2"	Type 1	9564CV	Outside United States	8721A104	00000
		4 1/2"	Type 27	9557NB, 9557PB	Outside United States	8721A102	00000
		5"	Type 27	XAG04T, XAG04Z, XAG09Z, XAG11T, XAG11Z, XAG16Z, XAG17ZU, XAG20Z, XAG21ZU	Outside United States	8721A103	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	46225A24	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	46225A72	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	46305A14	000000

Accessories and Replacements for Angle Grinders

Sanding 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	4728A29	000000
5"	18,000	5/8"-11	Disc Nut	4728A31	00000
7"	8,600	5/8"-11	Disc Nut	4728A42	00000
9", 9 1/8"	7,000	5/8"-11	Disc Nut	4728A43	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	46225A77	000000
		4 1/2"	Type 27	6142-31	46225A767	00000
		5"	Type 1	6117-30	46225A771	00000
		5"	Type 27	6117-30	46225A768	0000
		7"	Type 27	6088-30	46305A23	00000

Angle Grinder Flange Adapters

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	46225A22	000000

Replacement Motor Brushes

		Each
For Milwaukee Grinders


	6088-30	46225A763	000000
	6117-30	46225A762	0000
	6142-31	46225A761	00000

Replacement Electrical Cords

		Each
For Milwaukee Grinders


	6088-30	46225A104	000000
	6117-30	46225A103	00000
	6142-31	46225A102	00000

Replacement Flange Nuts

		Each
For Milwaukee Grinders


	6117-30, 6140-30, 6142-31	46225A91	00000
	6088-30	46225A86	0000

Replacement Angle Grinder Flanges

		Each
For Milwaukee Grinders


	6117-30, 6142-31	46225A765	00000

Cordless Angle Grinders for Grinding Wheels and Sanding Discs

With no cord to limit mobility, you can take these battery-powered grinders wherever they’re needed. Download the app to track their location, customize settings, view usage data, and receive alerts before they need repair.

The included type 27 wheel guards are required when using grinding wheels and cups. Backup pads (not included) 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.

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

Milwaukee—Milwaukee grinders have a spindle lock for fast wheel changes.

	Angle Grinders														Replacement Batteries
	For Wheel Dia.	Max. Rotation Speed, rpm	For Arbor Hole Thread Size	Voltage	Battery Charging Time (Battery Cap.)	Batteries Included	Switch Type	Speed Control Type	Overall Lg.	Wt., lb.	Certification	Includes		Each	Pkg. Qty.		Pkg.
Lithium Ion (Li-Ion) Battery





				DeWalt DCG418X1
				6"	9,000	5/8"-11	60V AC	45 min. (9 A·h)	Yes	Trigger	Fixed	13 3/4"	4.75	UL Listed	Carrying Bag, Side Handle, Two Flanges, Wrench	4743N11	0000000	1	29835A768	0000000



						Milwaukee 2882-22
						5"	8,500	5/8"-11	18V DC	65 min. (6 A·h)	Yes	Paddle	Fixed	13 1/8"	3.25	C-UL Listed	Carrying Bag, Flange, Side Handle, Spindle Lock, Wrench	4743N12	000000	1	29735A312	000000

Accessories for Angle Grinders

Sanding 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	4728A29	000000
5"	18,000	5/8"-11	Disc Nut	4728A31	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 DeWalt Grinders


		4 1/2"	Type 1	DWE402, DWE4214	8705A32	000000
		5"	Type 1	DWE402, DWE43114	8705A34	00000
		6"	Type 27	DWE43144	8705A37	0000

		For Milwaukee Grinders


				4 1/2"	Type 1	6142-31	46225A77	00000
				4 1/2"	Type 27	6142-31	46225A767	00000
				5"	Type 1	6117-30	46225A771	00000

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	43605A25	0000000
4"	11,000	3/4	3/8"-24	12 ft³/min @ 90 psi	Front	NPT	1/4	3/8"	Variable	Lever	9"	4	43605A21	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	43605A24	000000
7"	4,500	1	5/8"-11	12 ft³/min @ 90 psi	Front	NPT	1/4	3/8"	Variable	Lever	12"	5.75	43605A22	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	43605A23	0000000

Dremel Rotary Tool 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

Mfr. Model No.	Max. Rotation Speed, rpm	For Shank Dia.	Switch Type	Speed Control Type	AC Voltage, V AC	Current, amp	Electrical Connection Component	Overall Lg.	Wt., lb.	Certification	Includes		Each
3100-1/15	35,000	1/8"	Slide	Variable	120	1.2	Plug	7 1/2"	1.125	UL Listed, CSA Certified	Fifteen Assorted Accessories, Light Duty Grinder	4370A7	000000

Cordless

Image of Product. Front orientation. Rotary Tools. Battery Powered.

Mfr. Model No.	Max. Rotation Speed, rpm	For Shank Dia.	Switch Type	Speed Control Type	Batteries Included	Overall Lg.	Wt., lb.	Certification	Includes		Each
7760-N/10	25,000	1/8"	Push Button	Variable	Yes	7 1/2"	1.5	CSA Certified	(4) Felt Polishing Wheels with Mandrel and Polish, 2.75-Hour Charger, Dremel Cleaning Brush, Engraving Bit, Grinding Bit, Plastic Storage Case, Sanding Sleeve Drum	43435A61	000000

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	4435A42	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	4435A28	000000