Diamond Lapping Paste | McMaster-Carr

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About Finishing

Diamond cuts more quickly, lasts longer, and leaves a finer finish than other lapping compounds. Apply with cylinder laps, buffing wheels and bobs, or lapping sticks. Grit and microns are approximate.

Water-soluble pastes are for use where oil could contaminate your work surface.

Oil-soluble pastes won't cause corrosion.

Water-soluble/oil-soluble pastes are easier to clean up than oil soluble.

			5 g Syringe		18 g Syringe
Abrasive Grain Size, microns	Grit (For Finish)	For Use On		Each		Each
Diamond
Water Soluble
60	220 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	000000	0000000	000000
40	280 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
20	500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
12	800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
8	1000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
4	1400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
2	1800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
1	2200 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
0.5	2400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
Oil Soluble
60	220 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
40	280 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
20	500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
12	800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
8	1000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
4	1400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
2	1800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
1	2200 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
0.5	2400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
Water Soluble/Oil Soluble
60	220 (Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
40	280 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
20	500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
12	800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
8	1000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
4	1400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
2	1800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
1	2200 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000
0.5	2400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000	0000000	00000

Diamond Lapping Paste Assortments

Water-soluble paste is for use where oil could contaminate your work surface.

Oil-soluble paste won't cause corrosion.

Diamond
Includes	For Use On		Each
Water Soluble
1.69 oz. Bottle of Lubricant 5 gram Jar of Smooth-Finish (60 Microns/220 Grit) Paste 5 gram Jar of Extra-Smooth-Finish (40 Microns/280 Grit) Paste 5 gram Jar of Polished-Finish (20 Microns/500 Grit) Paste 5 gram Jar of Polished-Finish (8 Microns/1000 Grit) Paste 5 gram Jar of Polished-Finish (4 Microns/1400 Grit) Paste 5 gram Jar of Polished-Finish (2 Microns/1800 Grit) Paste	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	0000000
Oil Soluble
1.69 oz. Bottle of Lubricant 5 gram Jar of Smooth-Finish (60 Microns/220 Grit) Paste 5 gram Jar of Extra-Smooth-Finish (40 Microns/280 Grit) Paste 5 gram Jar of Polished-Finish (20 Microns/500 Grit) Paste 5 gram Jar of Polished-Finish (8 Microns/1000 Grit) Paste 5 gram Jar of Polished-Finish (4 Microns/1400 Grit) Paste 5 gram Jar of Polished-Finish (2 Microns/1800 Grit) Paste	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	000000

Diamond Lapping Slurries

Thinner than paste for easier, even spreading over flat surfaces, these slurries contain diamond, which is long lasting. Slurries are water soluble, so they are easy to clean and can be used where oil could contaminate your work surface. Use with a lapping machine or lapping plate. Apply to the plate and rub your workpiece on the surface to create a smooth, level finish. Grit and microns are approximate.

			16 oz. Bottle
Abrasive Grain Size, microns	Grit (For Finish)	For Use On		Each
Diamond
Water Soluble
45	240 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	000000
30	320 (Extra Smooth)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
15	500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
9	800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
6	1000 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
3	1400 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
2	1600 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
1	1800 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
0.5	2200 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
0.25	2500 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000
0.1	2600 (Polished)	Steel, Stainless Steel, Titanium, Iron, Aluminum, Brass, Bronze, Copper, Nickel, Glass, Plastic, Ceramic, Composites	0000000	00000