Contoured Polishing Stones

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Aluminum Oxide

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16 Products

Clog-Resistant Polishing Stones for Steel

No need to stop and clean these stones as you polish—they’re filled with oil to keep debris from getting stuck in the pores. Use a holder to polish by hand or with a power tool (both sold separately). You’ll also need a water-soluble or oil-based lubricant to wash away debris and reduce friction and heat on your workpiece.

Straight Contoured

Aluminum Oxide Abrasive—Aluminum oxide stones, also known as India stones, scrape away material slowly to give you more control over how much material you take off. They are good for the final stage of polishing.

	Color	Lubrication		Each
Aluminum Oxide—For Steel







	100 Grit (For Smooth Finish)

	4"	7/16"	1/8" to 3/16"	Brown	Lubricated, Required	4507A33	000000


	4 1/2"	1 3/4"	3/32" to 1/4"	Brown	Lubricated, Required	4620A53	00000
	4 1/2"	1 3/4"	1/8" to 3/8"	Brown	Lubricated, Required	4620A63	00000
	4 1/2"	1 3/4"	3/16" to 1/2"	Brown	Lubricated, Required	4620A33	00000




			240 Grit (For Extra-Smooth Finish)

			4"	7/16"	1/8" to 3/16"	Brown	Lubricated, Required	4507A32	00000


			4"	1"	3/16" to 7/16"	Brown	Lubricated, Required	4620A22	00000
			4 1/2"	1 3/4"	3/32" to 1/4"	Brown	Lubricated, Required	4620A52	00000
			4 1/2"	1 3/4"	1/8" to 3/8"	Brown	Lubricated, Required	4620A62	00000
			4 1/2"	1 3/4"	3/16" to 1/2"	Brown	Lubricated, Required	4620A32	00000
			5"	1"	3/32" to 5/16"	Brown	Lubricated, Required	4620A42	00000




					320 Grit (For Extra-Smooth Finish)

					4"	7/16"	1/8" to 3/16"	Orange	Lubricated, Required	4507A31	00000


					4"	1"	3/16" to 7/16"	Orange	Lubricated, Required	4620A21	00000
					4 1/2"	1 3/4"	3/32" to 1/4"	Orange	Lubricated, Required	4620A51	00000
					4 1/2"	1 3/4"	1/8" to 3/8"	Orange	Lubricated, Required	4620A61	00000
					4 1/2"	1 3/4"	3/16" to 1/2"	Orange	Lubricated, Required	4620A31	00000
					5"	1"	3/32" to 5/16"	Orange	Lubricated, Required	4620A41	00000