Grinding Bits | McMaster-Carr

	Shape Shape

	Ball
	Barrel
	Cone
	Cylinder
	Disc
	Flat-Top Cone
	Inverted Cone
	Oval
	Pear
	Tapered

	System of Measurement System of Measurement

Inch

	Head Diameter Head Diameter

	Shank Diameter Shank Diameter

3/32"

1/8"

1/4"

	For Use On For Use On

	Grit Grit

	Head Length Head Length

	Abrasive Material Abrasive Material

Aluminum Oxide

Aluminum Oxide/Silicon
Carbide Blend

	Surface Texture Surface Texture

Rough

Smooth

Extra Smooth

	Color Color

	Black		Blue
	Green		Orange
	Gray		Brown
	White		Red
	Blue-Gray		Silver
	Gray- Brown		Bronze

	Maximum Speed Maximum Speed

	Shape Number Shape Number

	For Use With For Use With

Grinders for Bits and Burs

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

RoHS Compliant

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

DFARS Specialty Metals
COTS-Exempt

	Shank Length Shank Length

7/8"

1 1/2"

	Abrasive Bond Material Abrasive Bond Material

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

	Overall Length Overall Length

2 1/4"

	Diameter Diameter

5/8"

7/8"

1 1/2"

	Arbor Hole Arbor Hole

Unthreaded

Threaded

	Arbor Hole Size Arbor Hole Size

1/16"

1/8"

1/4"

	Number of Pieces Number of Pieces

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341 Products

Grinding Bits for Metals

Made of aluminum oxide, these bits are well suited for use on most metals and materials that are not heat sensitive.

Rubber-Cushioned Abrasive Grinding Bits for Metals

The abrasive grains in these bits are blended with rubber, which cushions during grinding to produce a smoother surface texture than other bits with similar grits.

Miniature Bit and Disc Sets

Set contains an assortment of tools for grinding, sanding, and cutting on small surface areas.

Rubber-Cushioned Abrasive
Grinding Bit Sets for Metals

The bits in this set have rubber blended into the abrasive, which cushions during grinding to produce a smooth to extra-smooth surface texture.

Rubber-Cushioned Abrasive Grinding
Bits without Shank for Metals

Bits thread onto mounted shanks so you can quickly switch head shapes without removing the shank. The abrasive grains are blended with rubber, which cushions during grinding to produce a smoother surface texture than other bits with similar grits.

Grinding Bits for Stainless Steel

Bits stay cool during grinding so they won’t mar or discolor stainless steel.

Hex-Shank Grinding Bit Sets for Metals

Set contains a selection of our most popular hex-shank grinding bits. Use them in any drill chuck that accepts a 1/4" hex shank.

Rubber-Cushioned Abrasive Grinding
Discs without Shank for Metals

The abrasive grains in these discs are blended with rubber, which cushions during grinding to produce a smoother surface texture than other discs with similar grits. Discs attach to your grinder with a shank.

Grinding Bit Sets for Metals

Each set contains a selection of our most popular grinding bits.

Long-Life Grinding Bits for Metals

Similar to diamond, boron nitride is harder than aluminum oxide and lasts longer. Bits are also known as jig grinding pins and mandrels.

Miniature Grinding Bits for Metals

The small 3/32" diameter shank and small head makes these bits good for precise and intricate jobs.

Hex-Shank Grinding Bits for Metals

Use bits in any drill chuck that accepts a 1/4" hex shank.

Grinding Bits for Nonmetals

Long-Life Grinding Bits for Nonmetals

The diamond abrasive in these bits is extremely hard and lasts longer than tungsten carbide. For longer tool life and improved finish, use a water- or oil-soluble mist or coolant.

Grinding Bits for Nonmetals

Almost as hard as diamond, these tungsten carbide bits cut through nonmetals without generating heat.

Grinding Bits for Metals

Grinding Bits for Metals

Rubber-Cushioned Abrasive Grinding Bits for Metals

Miniature Bit and Disc Sets

Rubber-Cushioned AbrasiveGrinding Bit Sets for Metals

Rubber-Cushioned Abrasive GrindingBits without Shank for Metals

Grinding Bits for Stainless Steel

Hex-Shank Grinding Bit Sets for Metals

Rubber-Cushioned Abrasive GrindingDiscs without Shank for Metals

Grinding Bit Sets for Metals

Long-Life Grinding Bits for Metals

Miniature Grinding Bits for Metals

Hex-Shank Grinding Bits for Metals

Grinding Bits for Nonmetals

Long-Life Grinding Bits for Nonmetals

Grinding Bits for Nonmetals

Rubber-Cushioned Abrasive
Grinding Bit Sets for Metals

Rubber-Cushioned Abrasive Grinding
Bits without Shank for Metals

Rubber-Cushioned Abrasive Grinding
Discs without Shank for Metals