Brown Stones | McMaster-Carr

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	Shape Shape


Rectangle	Square

Round	Triangle

Contoured	Knife

Half Round	Point

Diamond	Wedge

Oval

	System of Measurement System of Measurement

Inch

	Thickness Thickness

	Width Width

	Length Length

4 1/2"

	Color Color	Show

	Brown

	Color Color	Hide

	Gray		White
	Brown		Orange
	Blue		Beige
	Off-White		Black
	Green		Gold
	Red

	Grit Grit

	For Finish For Finish

Extra Smooth

Smooth

Polished

	For Use On For Use On

Steel

	Abrasive Material Abrasive Material

Aluminum Oxide

Ceramic

	Lubrication Lubrication

Oil Filled

Recommended

	Stone Style Stone Style

Straight

Tapered

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

DFARS Specialty Metals
COTS-Exempt

	Individual/Set Individual/Set

Individual

	Diameter Diameter

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175 Products

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.

Aluminum–oxide stones abrade slowly to create a consistent surface. Also known as India stones.

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
Aluminum Oxide—For Use On Steel
240 (Extra Smooth)	4"	1/4"	1/4"	Brown	Oil Filled	0000000	00000	00000000	00000
240 (Extra Smooth)	4"	3/8"	3/8"	Brown	Oil Filled	0000000	0000	000000	00
240 (Extra Smooth)	4"	1/2"	1/2"	Brown	Oil Filled	0000000	0000	000000	00
240 (Extra Smooth)	6"	1/2"	1/2"	Brown	Oil Filled	0000000	00000	000000	00
240 (Extra Smooth)	6"	3/4"	3/4"	Brown	Oil Filled	0000000	00000	000000	00
240 (Extra Smooth)	6"	1"	1"	Brown	Oil Filled	0000000	00000	000000	00

Straight Triangular

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Color	Lubrication		Each
240 (Extra Smooth)	4"	1/4"	Brown	Oil Filled	0000000	000000
240 (Extra Smooth)	4"	3/8"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4"	1/2"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	6"	1/2"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	6"	3/4"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	6"	1"	Brown	Oil Filled	0000000	00000

Straight Round

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Dia.	Color	Lubrication		Each
240 (Extra Smooth)	4"	1/4"	Brown	Oil Filled	0000000	000000
240 (Extra Smooth)	4"	3/8"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4"	1/2"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	6"	1/2"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	6"	3/4"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	6"	1"	Brown	Oil Filled	0000000	00000

Straight Half-Round

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
240 (Extra Smooth)	4"	1/4"	9/64"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4"	5/16"	5/32"	Brown	Oil Filled	0000000	0000
240 (Extra Smooth)	4"	3/8"	13/64"	Brown	Oil Filled	0000000	0000
240 (Extra Smooth)	4"	1/2"	1/4"	Brown	Oil Filled	0000000	00000

Straight Diamond

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
240 (Extra Smooth)	4"	9/16"	3/16"	Brown	Oil Filled	0000000	000000

Straight Wedge

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
240 (Extra Smooth)	4"	5/16"	1/16"-3/16"	Brown	Oil Filled	0000000	000000

Straight Knife

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
100 (Smooth)	4"	1"	1/16"-1/8"	Brown	Oil Filled	0000000	000000
240 (Extra Smooth)	4"	1"	1/16"-1/8"	Brown	Oil Filled	0000000	00000

Straight Contoured

Contoured

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
100 (Smooth)	4"	7/16"	1/8"-3/16"	Brown	Oil Filled	0000000	000000
100 (Smooth)	4 1/2"	1 3/4"	3/32"-1/4"	Brown	Oil Filled	0000000	00000
100 (Smooth)	4 1/2"	1 3/4"	1/8"-3/8"	Brown	Oil Filled	0000000	00000
100 (Smooth)	4 1/2"	1 3/4"	3/16"-1/2"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4"	7/16"	1/8"-3/16"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4"	1"	3/16"-7/16"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4 1/2"	1 3/4"	3/32"-1/4"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4 1/2"	1 3/4"	1/8"-3/8"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	4 1/2"	1 3/4"	3/16"-1/2"	Brown	Oil Filled	0000000	00000
240 (Extra Smooth)	5"	1"	3/32"-5/16"	Brown	Oil Filled	0000000	00000

Tapered Triangular

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Color	Lubrication		Each
240 (Extra Smooth)	4"	1/4"-1/2"	Brown	Oil Filled	0000000	000000

Tapered Round

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Dia.	Color	Lubrication		Each
240 (Extra Smooth)	4"	1/4"-1/2"	Brown	Oil Filled	0000000	000000

Tapered Point

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Dia.	Color	Lubrication		Each
240 (Extra Smooth)	3"	1/32"-5/16"	Brown	Oil Filled	0000000	000000

Tapered Oval

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
240 (Extra Smooth)	4"	3/16"-1/2"	1/16"-3/16"	Brown	Oil Filled	000000	000000

Tapered Wedge

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
240 (Extra Smooth)	4"	3/16"-3/8"	1/16"-1/8"	Brown	Oil Filled	0000000	000000

Semiflexible and Long-Lasting Smoothing and Polishing Stones

Strong and wear-resistant, these thin bonded-ceramic stones have some give when pressure is applied. They can be used by hand or in power tools with a compatible holder. We recommend using a water-soluble or oil-based lubricant.

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

Straight Round

Stones						Hand-Held Stone Holders
Grit (For Finish)	Lg.	Dia.	Color		Each		Each
Ceramic—For Use On Steel
300 (Extra Smooth)	2"	1/8"	Brown	00000000	000000	0000000	000000

Straight Rectangular

Stones							Hand-Held Stone Holders
Grit (For Finish)	Lg.	Wd.	Thick.	Color		Each		Each
Ceramic—For Use On Steel
300 (Extra Smooth)	4"	5/64"	1/64"	Brown	000000000	000000	000000	00
300 (Extra Smooth)	4"	5/64"	3/64"	Brown	000000000	00000	000000	00
300 (Extra Smooth)	4"	5/32"	1/64"	Brown	000000000	00000	000000	00
300 (Extra Smooth)	4"	5/32"	3/64"	Brown	000000000	00000	000000	00
300 (Extra Smooth)	4"	15/64"	1/64"	Brown	00000000	00000	000000	00
300 (Extra Smooth)	4"	15/64"	3/64"	Brown	00000000	00000	0000000	00000
300 (Extra Smooth)	4"	25/64"	3/64"	Brown	00000000	00000	0000000	0000

Smoothing and Polishing Stones for EDM Scale Removal

Remove surface scale left by the EDM (electrical discharge machining) process. These stones can be used by hand or in power tools with a compatible holder. We recommend using a water-soluble or oil-based lubricant.

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		Each		Each
Aluminum Oxide—For Use On Steel
100 (Smooth)	6"	1/8"	1/8"	Brown	000000000	00000	000000	00
100 (Smooth)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
100 (Smooth)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	00000
100 (Smooth)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
120 (Smooth)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
120 (Smooth)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
120 (Smooth)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
120 (Smooth)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
150 (Smooth)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
150 (Smooth)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
150 (Smooth)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
150 (Smooth)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
180 (Smooth)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
180 (Smooth)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
180 (Smooth)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
180 (Smooth)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
220 (Smooth)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
220 (Smooth)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
220 (Smooth)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
220 (Smooth)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
320 (Extra Smooth)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
320 (Extra Smooth)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
320 (Extra Smooth)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
320 (Extra Smooth)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
400 (Extra Smooth)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
400 (Extra Smooth)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
400 (Extra Smooth)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
400 (Extra Smooth)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
600 (Polished)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
600 (Polished)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
600 (Polished)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
600 (Polished)	6"	3/8"	3/8"	Brown	000000000	0000	000000	00
800 (Polished)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
800 (Polished)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
800 (Polished)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
800 (Polished)	6"	3/8"	3/8"	Brown	000000000	00000	000000	00
1000 (Polished)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
1000 (Polished)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
1000 (Polished)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
1000 (Polished)	6"	3/8"	3/8"	Brown	000000000	00000	000000	00
1200 (Polished)	6"	1/8"	1/8"	Brown	000000000	0000	000000	00
1200 (Polished)	6"	5/32"	5/32"	Brown	000000000	0000	000000	00
1200 (Polished)	6"	1/4"	1/4"	Brown	000000000	0000	00000000	0000
1200 (Polished)	6"	3/8"	3/8"	Brown	000000000	00000	000000	00

Straight Rectangular

Stones							Hand-Held Stone Holders		Stone Holders for Power Tools
Grit (For Finish)	Lg.	Wd.	Thick.	Color		Each		Each		Each
Aluminum Oxide—For Use On Steel
100 (Smooth)	6"	1/4"	1/16"	Brown	000000000	00000	000000	00	000000	00
100 (Smooth)	6"	1/4"	1/8"	Brown	00000000	0000	00000000	00000	0000000	00000
100 (Smooth)	6"	1/2"	1/16"	Brown	00000000	0000	000000	00	000000	00
100 (Smooth)	6"	1/2"	1/8"	Brown	00000000	0000	00000000	0000	000000	00
100 (Smooth)	6"	1/2"	1/4"	Brown	00000000	0000	000000	00	000000	00
100 (Smooth)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
100 (Smooth)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
120 (Smooth)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
120 (Smooth)	6"	1/4"	1/8"	Brown	000000000	0000	00000000	0000	0000000	0000
120 (Smooth)	6"	1/2"	1/16"	Brown	000000000	0000	000000	00	000000	00
120 (Smooth)	6"	1/2"	1/8"	Brown	000000000	0000	00000000	0000	000000	00
120 (Smooth)	6"	1/2"	1/4"	Brown	000000000	0000	000000	00	000000	00
120 (Smooth)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
120 (Smooth)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
150 (Smooth)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
150 (Smooth)	6"	1/4"	1/8"	Brown	00000000	0000	00000000	0000	0000000	0000
150 (Smooth)	6"	1/2"	1/16"	Brown	00000000	0000	000000	00	000000	00
150 (Smooth)	6"	1/2"	1/8"	Brown	00000000	0000	00000000	0000	000000	00
150 (Smooth)	6"	1/2"	1/4"	Brown	00000000	0000	000000	00	000000	00
150 (Smooth)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
150 (Smooth)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
180 (Smooth)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
180 (Smooth)	6"	1/4"	1/8"	Brown	00000000	0000	00000000	0000	0000000	0000
180 (Smooth)	6"	1/2"	1/16"	Brown	00000000	0000	000000	00	000000	00
180 (Smooth)	6"	1/2"	1/8"	Brown	00000000	0000	00000000	0000	000000	00
180 (Smooth)	6"	1/2"	1/4"	Brown	00000000	0000	000000	00	000000	00
180 (Smooth)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
180 (Smooth)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
220 (Smooth)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
220 (Smooth)	6"	1/4"	1/8"	Brown	00000000	0000	00000000	0000	0000000	0000
220 (Smooth)	6"	1/2"	1/16"	Brown	00000000	0000	000000	00	000000	00
220 (Smooth)	6"	1/2"	1/8"	Brown	00000000	0000	00000000	0000	000000	00
220 (Smooth)	6"	1/2"	1/4"	Brown	00000000	0000	000000	00	000000	00
220 (Smooth)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
220 (Smooth)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
320 (Extra Smooth)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
320 (Extra Smooth)	6"	1/4"	1/8"	Brown	00000000	0000	00000000	0000	0000000	0000
320 (Extra Smooth)	6"	1/2"	1/16"	Brown	00000000	0000	000000	00	000000	00
320 (Extra Smooth)	6"	1/2"	1/8"	Brown	00000000	0000	00000000	0000	000000	00
320 (Extra Smooth)	6"	1/2"	1/4"	Brown	00000000	0000	000000	00	000000	00
320 (Extra Smooth)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
320 (Extra Smooth)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
400 (Extra Smooth)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
400 (Extra Smooth)	6"	1/4"	1/8"	Brown	00000000	0000	00000000	0000	0000000	0000
400 (Extra Smooth)	6"	1/2"	1/16"	Brown	00000000	0000	000000	00	000000	00
400 (Extra Smooth)	6"	1/2"	1/8"	Brown	00000000	0000	00000000	0000	000000	00
400 (Extra Smooth)	6"	1/2"	1/4"	Brown	00000000	0000	000000	00	000000	00
400 (Extra Smooth)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
400 (Extra Smooth)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
600 (Polished)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
600 (Polished)	6"	1/4"	1/8"	Brown	00000000	0000	00000000	0000	0000000	0000
600 (Polished)	6"	1/2"	1/16"	Brown	00000000	0000	000000	00	000000	00
600 (Polished)	6"	1/2"	1/8"	Brown	00000000	0000	00000000	0000	000000	00
600 (Polished)	6"	1/2"	1/4"	Brown	00000000	0000	000000	00	000000	00
600 (Polished)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
600 (Polished)	6"	1"	1/4"	Brown	000000000	0000	000000	00	000000	00
800 (Polished)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
800 (Polished)	6"	1/4"	1/8"	Brown	000000000	0000	00000000	0000	0000000	0000
800 (Polished)	6"	1/2"	1/16"	Brown	000000000	0000	000000	00	000000	00
800 (Polished)	6"	1/2"	1/8"	Brown	000000000	0000	00000000	0000	000000	00
800 (Polished)	6"	1/2"	1/4"	Brown	000000000	0000	000000	00	000000	00
800 (Polished)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
800 (Polished)	6"	1"	1/4"	Brown	000000000	00000	000000	00	000000	00
1000 (Polished)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
1000 (Polished)	6"	1/4"	1/8"	Brown	000000000	0000	00000000	0000	0000000	0000
1000 (Polished)	6"	1/2"	1/16"	Brown	000000000	0000	000000	00	000000	00
1000 (Polished)	6"	1/2"	1/8"	Brown	000000000	0000	00000000	0000	000000	00
1000 (Polished)	6"	1/2"	1/4"	Brown	000000000	0000	000000	00	000000	00
1000 (Polished)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
1000 (Polished)	6"	1"	1/4"	Brown	000000000	00000	000000	00	000000	00
1200 (Polished)	6"	1/4"	1/16"	Brown	000000000	0000	000000	00	000000	00
1200 (Polished)	6"	1/4"	1/8"	Brown	000000000	0000	00000000	0000	0000000	0000
1200 (Polished)	6"	1/2"	1/16"	Brown	000000000	0000	000000	00	000000	00
1200 (Polished)	6"	1/2"	1/8"	Brown	000000000	0000	00000000	0000	000000	00
1200 (Polished)	6"	1/2"	1/4"	Brown	000000000	0000	000000	00	000000	00
1200 (Polished)	6"	1"	1/8"	Brown	000000000	0000	000000	00	000000	00
1200 (Polished)	6"	1"	1/4"	Brown	000000000	00000	000000	00	000000	00