Ceramic Alumina Files | McMaster-Carr

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	Grit Grit

600 grit

1800 grit

	For Finish For Finish

Polished

	Abrasive Material Abrasive Material	Show

Ceramic Alumina

	Abrasive Material Abrasive Material	Hide

Aluminum Oxide/Silicon
Carbide Blend

Boron Carbide

Ceramic Alumina

	Shape Shape


Square	Triangle

	Color Color

	White

	Stone Style Stone Style

Straight

	Lubrication Lubrication

Not Required

Recommended

	For Use On For Use On

Steel

	Individual/Set Individual/Set

Individual

Set

	Container Type Container Type

Sheath

	System of Measurement System of Measurement

Inch

	Length Length

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

DFARS Specialty Metals
COTS-Exempt

	For Sharpening For Sharpening

	Number of Grits Number of Grits

	Stone Length Stone Length

	Stone Thickness Stone Thickness

1/4"

1/2"

	For Blade Style For Blade Style

Straight

	Number of Pieces Number of Pieces

	Stone Shape Stone Shape

Rectangular

	Stone Width Stone Width

	Width Width

1/4"

	Thickness Thickness

1/4"

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About Finishing

Smoothing and Polishing Stones

Maintain tools, molds, and dies. These stones can be used by hand or in power tools with a compatible holder. Choose the shape that best matches the contour of your work surface.We recommend using a water-soluble or oil-based lubricant for stones that are not oil filled.

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

Straight Square

Stones								Hand-Held Stone Holders
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each		Each
Ceramic Alumina—For Use On Steel
1800 (Polished)	5"	1/4"	1/4"	White	Recommended	0000000	000000	00000000	00000

Straight Triangular

Ceramic Alumina—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Color	Lubrication		Each
1800 (Polished)	5"	1/4"	White	Recommended	0000000	000000

Smoothing and Polishing Stone Sets

Contoured

Round

Square

Triangular

Contoured

Maintain tools, molds, and dies. These stones can be used by hand or in power tools with a compatible holder. Choose the shape that best matches the contour of your work surface. We recommend using a water-soluble or oil-based lubricant.

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

Ceramic Alumina—For Use On Steel
No. of Pieces	Lg.	Includes	Stone Style	Grit (For Finish)	Color	Container Type		Each
4	5"	One Square Stone—1/4" Wd. × 1/4" Thick. One Triangular Stone—1/4" Wd. One Round Stone—1/4" Dia. One Contoured Stone—15/32" Wd. × 1/8"-1/4" Thick.	Straight	1800 (Polished)	White	Sheath	0000000	000000

Two-Grit Sharpening Stones

A different grit on each side enables two-step sharpening with one stone. First sharpen your blade with a lower grit, then sharpen again with a finer (higher) grit until the desired edge is achieved.

Ceramic alumina is extremely hard and wear resistant.

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

Rectangular

Stone
Lg.	Wd.	Thick.	Grit (For Finish)	Lubrication		Each
Ceramic Alumina × Ceramic Alumina
5"	1"	1/4"	600 (Polished) × 1800 (Polished)	Not Required × Not Required	0000000	000000

Single-Grit Sharpening Stones

Quickly sharpen straight-blade tools.

Ceramic alumina is extremely hard and wear resistant.

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

Stone
Lg.	Wd.	Thick.	Lubrication	Choose a Grit (For Finish)		Each
Rectangular
Ceramic Alumina
8"	2"	1/2"	Not Required	600 (Polished), 1800 (Polished)	000000	000000