Orange Stones | McMaster-Carr

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	Shape Shape


Rectangle	Square

Round	Triangle

Contoured	Knife

Half Round	Point

Diamond	Wedge

Oval

	Color Color	Show

	Orange

	Color Color	Hide

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

	Grit Grit

320 grit

400 grit

	For Finish For Finish

Extra Smooth

	System of Measurement System of Measurement

Inch

	Thickness Thickness

	Overall Length Overall Length

4 1/2"

	Width Width

	Diameter Diameter

	For Use On For Use On

Steel

	Stone Style Stone Style

Straight

Tapered

	Lubrication Lubrication

Oil Filled

Recommended

	Individual/Set Individual/Set

Individual

	Abrasive Material Abrasive Material

Aluminum Oxide

Ceramic

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

DFARS Specialty Metals
COTS-Exempt

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48 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
320 (Extra Smooth)	4"	1/4"	1/4"	Orange	Oil Filled	0000000	00000	00000000	00000
320 (Extra Smooth)	4"	3/8"	3/8"	Orange	Oil Filled	0000000	0000	000000	00
320 (Extra Smooth)	4"	1/2"	1/2"	Orange	Oil Filled	0000000	0000	000000	00
320 (Extra Smooth)	6"	1/2"	1/2"	Orange	Oil Filled	0000000	00000	000000	00
320 (Extra Smooth)	6"	3/4"	3/4"	Orange	Oil Filled	0000000	00000	000000	00
320 (Extra Smooth)	6"	1"	1"	Orange	Oil Filled	0000000	00000	000000	00

Straight Triangular

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

Straight Round

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

Straight Half-Round

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

Straight Diamond

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

Straight Wedge

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

Straight Knife

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

Straight Contoured

Contoured

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

Tapered Triangular

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

Tapered Round

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

Tapered Point

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

Tapered Oval

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

Tapered Wedge

Aluminum Oxide—For Use On Steel
Grit (For Finish)	Lg.	Wd.	Thick.	Color	Lubrication		Each
320 (Extra Smooth)	4"	3/16"-3/8"	1/16"-1/8"	Orange	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
400 (Extra Smooth)	2"	1/8"	Orange	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
400 (Extra Smooth)	4"	5/64"	1/64"	Orange	000000000	000000	000000	00
400 (Extra Smooth)	4"	5/64"	3/64"	Orange	000000000	00000	000000	00
400 (Extra Smooth)	4"	5/32"	1/64"	Orange	000000000	00000	000000	00
400 (Extra Smooth)	4"	5/32"	3/64"	Orange	000000000	00000	000000	00
400 (Extra Smooth)	4"	15/64"	1/64"	Orange	00000000	00000	000000	00
400 (Extra Smooth)	4"	15/64"	3/64"	Orange	00000000	00000	0000000	00000
400 (Extra Smooth)	4"	25/64"	3/64"	Orange	00000000	00000	0000000	0000