Abrasive Mounted Points | McMaster-Carr

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	Shape Shape

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

	Shank Diameter Shank Diameter

1/8"

1/4"

	For Use On For Use On

	Head Diameter Head Diameter

	Grit Grit

	Head Length Head Length

	Surface Texture Surface Texture

Rough

Smooth

Extra Smooth

	Abrasive Material Abrasive Material

	Color Color

	Blue		Orange
	Blue- Gray		Green
	Red		Black
	Brown		Silver
	Gray

	Maximum Speed Maximum Speed

100,000 rpm or greater

	Abrasive Bond Material Abrasive Bond Material

Vitrified Clay

Rubber

Vitrified Ceramic

	Shape Number Shape Number

	Overall Length Overall Length

2 1/16"

2 1/4"

2 1/2"

	Arbor Hole Size Arbor Hole Size

2-56

5-40

1/4"-20

	Tip Style Tip Style

	Rounded
	Flat

	Number of Pieces Number of Pieces

100

144

	For Finish For Finish

Coarse

Fine

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262 Products

Grinding, Sanding, and Polishing

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
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.

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.

Grinding Bit Sets for Metals

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

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.

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.