Grinding Bits | McMaster-Carr

	Shape Shape

	Cylinder
	Cone
	Ball
	Barrel
	Tapered
	Disc
	Flat-Top Cone
	Tapered Cone
	Tree
	Oval
	Inverted Cone
	Pear
	Flame
	Convex-Concave

	Shank Diameter Shank Diameter

	For Use On For Use On

	Head Diameter Head Diameter

	Grit Grit

	Head Length Head Length

	Surface Texture Surface Texture

Rough

Smooth

Extra Smooth

	Color Color

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

	Abrasive Material Abrasive Material

Aluminum Oxide

Aluminum Oxide/Silicon
Carbide Blend

	Maximum Speed Maximum Speed

100,000 rpm or greater

	For Use With For Use With

Grinders for Bits and Burs

Straight Grinders

Hand-Held Power Drills

	Shape Number Shape Number

	Tooth Style Tooth Style

	Double Cut
	Single Cut
	Fluted
	Diamond Cut
	Pointed

	Abrasive Bond Material Abrasive Bond Material

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

DFARS Specialty Metals
COTS-Exempt

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

RoHS Compliant

	Shank Length Shank Length

7/8"

1 1/2"

	Tip Style Tip Style

	Rounded
	Flat
	Pointed
	Flat Cutter

	Number of Pieces Number of Pieces

	Overall Length Overall Length

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

REACH Compliant

	For Finish For Finish

	Material Material

1,161 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.

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.

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.

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.

Hex-Shank Grinding Bits for Metals

Use bits in any drill chuck that accepts a 1/4" hex 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 Bit and Disc Sets

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

Grinding Bits for Stainless Steel

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

Miniature Grinding Bits for Metals

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

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.

Dremel Grinding Stones

Grinding Cones for Straight Grinders

Longer lasting than grinding bits, these abrasive cones remove heavy amounts of material and leave a rough surface texture. They have a threaded insert that attaches to the spindle on a straight grinder. Use in corners and inside castings.