Grinding Bit Arbors | McMaster-Carr

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Shank Diameter

1/8"

1/4"

Arbor Hole Thread Size

2-56

5-40

1/4"-20

For Use With

Grinders for Bits and Burs

Handheld Power Drills

Shank Length

7/8"

1 1/2"

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

REACH

RoHS

3 Products

Arbors for Rubber-Cushioned Abrasive Grinding Bits

Thread rubber-cushioned grinding bits onto one of these arbors and switch between bits without removing the arbor from your tool. Arbors are also known as mandrels.

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

	Shank
For Arbor Hole Size	Dia.	Lg.	Overall Lg.		Each
1/4"-20	1/4"	7/8"	2"	0000000	000000
2-56	1/8"	1 1/2"	2"	0000000	0000
5-40	1/8"	1 1/2"	2"	0000000	0000