Abrasive Grains | McMaster-Carr

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69 Products

Lapping Grains

Mix with oil, grease, or water to create your own lapping compounds. Grit and microns are approximate.

				5 lb. Jar
	Abrasive Grain Size, μm	Grit (For Finish)	For Use On		Each
Aluminum Oxide



		1,092	16 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000


		686	24 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		483	36 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		165	80 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		122	100 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		100	120 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		85	150 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		70	180 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		50	240 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		40	280 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
		35	320 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000


		20	500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000
		18	600 (Polished)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000
		5	1200 (Polished)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000


		Silicon Carbide



				1,092	16 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000


				254	60 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				165	80 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				122	100 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				100	120 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				85	150 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				70	180 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				60	220 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				50	240 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				40	280 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000
				35	320 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000


				24	400 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000
				18	600 (Polished)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000
				10	800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000
				8	1000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000

Diamond Lapping Grains

Diamond cuts more quickly, lasts longer, and leaves a finer finish than other lapping grains. Mix with oil, grease, or water to create your own lapping compounds. Grit and microns are approximate.

Natural Diamond—Natural diamond is sharper and cuts faster than synthetic diamond.

				10 g Jar
	Abrasive Grain Size, μm	Grit (For Finish)	For Use On		Each
Synthetic Diamond



		60	220 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	000000


		40	280 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
		20	500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
		12	800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
		8	1000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
		4	1400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
		2	1800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
		1	2000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
		0.5	2500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000


		Natural Diamond



				60	220 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000


				40	280 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
				20	500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
				12	800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
				8	1000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
				4	1400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
				2	1800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
				1	2000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000
				0.5	2500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composite	00000000	00000

Time-Saving Lapping Grain Assortments

The grains break down during use so they function first as an abrasive and then as a polish. Mix with oil to create your own lapping compounds. Grit and microns are approximate.

		Each
Silica Abrasive



	3 oz. Can of Rough-Finish (600 Microns/40 Grit) Grains—Use on Steel, Stainless Steel, Titanium, Iron, and Nickel 3 oz. Can of Rough-Finish (165 Microns/80 Grit) Grains—Use on Aluminum, Brass, Bronze, and Copper 3 oz. Can of Rough-Finish (165 Microns/80 Grit) Grains—Use on Steel, Stainless Steel, Titanium, Iron, and Nickel 3 oz. Can of Smooth-Finish (100 Microns/120 Grit) Grains—Use on Aluminum, Brass, Bronze, and Copper 3 oz. Can of Smooth-Finish (60 Microns/220 Grit) Grains—Use on Aluminum, Brass, Bronze, and Copper 3 oz. Can of Smooth-Finish (60 Microns/220 Grit) Grains—Use on Steel, Stainless Steel, Titanium, Iron, and Nickel 3 oz. Can of Extra-Smooth-Finish (35 Microns/320 Grit) Grains—Use on Aluminum, Brass, Bronze, and Copper 3 oz. Can of Extra-Smooth-Finish (35 Microns/320 Grit) Grains—Use on Steel, Stainless Steel, Titanium, Iron, and Nickel	0000000	000000

Time-Saving Lapping Grains for Aluminum and Soft Metals

The grains break down during use so they function first as an abrasive and then as a polish. Mix with oil to create your own lapping compounds. Grit and microns are approximate.

				1 lb. Jar		5 lb. Jar
	Abrasive Grain Size, μm	Grit (For Finish)	For Use On		Each		Each
Silica



		165	80 (Rough)	Aluminum, Brass, Bronze, Copper	0000000	000000	0000000	0000000


		100	120 (Smooth)	Aluminum, Brass, Bronze, Copper	0000000	00000	0000000	000000
		60	220 (Smooth)	Aluminum, Brass, Bronze, Copper	0000000	00000	0000000	000000
		35	320 (Extra Smooth)	Aluminum, Brass, Bronze, Copper	0000000	00000	0000000	000000

Time-Saving Lapping Grains

The grains break down during use so they function first as an abrasive and then as a polish. Mix with oil to create your own lapping compounds. Grit and microns are approximate.

				1 lb. Jar		5 lb. Jar
	Abrasive Grain Size, μm	Grit (For Finish)	For Use On		Each		Each
Silica



		380	40 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	000000	0000000	0000000


		165	80 (Rough)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000	0000000	000000
		60	220 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000	0000000	000000
		35	320 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Nickel	0000000	00000	0000000	000000

Diamond Sharpening Compounds

Convert leather and wood surfaces into sharpening stations to give your tool a fine finish. These compounds contain diamond abrasive grains, which are hard, fast cutting, and long lasting. They're used on leather strops and other flat surfaces to sharpen straight blades. To sharpen curved blades, you can also use these compounds on curved surfaces.

Pastes

Start with pastes for sharpening—sequence them by grit to refine the edge progressively.

		Diamond Abrasive				Container
Abrasive Grain Size, μm	Grit (For Finish)	Type	Concentration	Solution Type	For Use With	Type	Material	Net Wt., g		Each
6	1000 (Polished)	Synthetic	Heavy	Oil Based	Leather, Wood	Syringe	Plastic	2	0000000	000000
3	1400 (Polished)	Synthetic	Heavy	Oil Based	Leather, Wood	Syringe	Plastic	2	0000000	00000
1	2000 (Polished)	Synthetic	Medium	Oil Based	Leather, Wood	Syringe	Plastic	2	0000000	00000

Sprays

The finest sharpening compound we offer, spray is used as a finishing step to leave a mirror-like finish on your blade.

		Diamond Abrasive				Container
Abrasive Grain Size, μm	Grit (For Finish)	Type	Concentration	Solution Type	For Use With	Type	Material	Net Wt., oz.		Each
0.5	2400 (Polished)	Synthetic	Medium	Oil Based	Leather, Wood	Spray Bottle	Plastic	1.69	0000000	000000

Diamond Sharpening Compound Assortments

Keep multiple abrasive grain sizes on hand to sharpen blades. Convert leather and wood surfaces into sharpening stations to give your tool a fine finish. These compounds contain diamond abrasive grains, which are hard, fast cutting, and long lasting. They're used on leather strops and other flat surfaces to sharpen straight blades. To sharpen curved blades, you can also use these compounds on curved surfaces. Start with the largest abrasive grain size, then move to smaller sizes to sharpen your blade to a progressively finer edge.

			Diamond Abrasive				Container
No. of Pieces	Abrasive Grain Size, μm	Includes	Type	Concentration	Solution Type	For Use With	Type	Material	Net Wt., g		Each
3	6, 3, 1	2 grams of 1000-Grit (Polished) Paste 2 grams of 1400-Grit (Polished) Paste 2 grams of 2000-Grit (Polished) Paste	Synthetic	Medium, Heavy	Oil Based	Leather, Wood	Syringe	Plastic	2	0000000	000000