Polishing Paste | McMaster-Carr

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367 Products

About Finishing

Diamond Lapping Paste

Diamond cuts more quickly, lasts longer, and leaves a finer finish than other lapping compounds.

Diamond Lapping Paste Assortments

Choose between a set of six water-soluble pastes or a set of six oil-soluble pastes.

Lubricants for Diamond Lapping Paste

Use during lapping to prevent your paste from drying.

Clover Lapping Paste Assortments

These assortments come with one can of smooth-finish paste and one can of extra-smooth-finish paste.

Clover Lapping Paste

This fast-lapping paste abrades quickly to produce a level, scratch-free surface.

Long-Lasting Lapping Paste

Denser and more wear-resistant than traditional lapping compounds.

Lapping Paste

Produce a level, scratch-free surface.

Lapping Paste for Curved Stainless
Steel and Hard Metal Surfaces

An additive makes this paste stick to your workpiece, so it's good for lapping curves and contours. It thins during use for even application and easy cleanup.

Lapping Paste for Stainless Steel and Hard Metals

Second only to diamond in hardness, the boron carbide abrasive produces a level, scratch-free surface on hard metals.

Lapping Paste for Aluminum and Soft Metals

The abrasive won’t embed in soft metals, preventing scratches and material buildup on your work surface.

Buffing and Polishing

No-Mess Polishing Bobs for
Stainless Steel and Hard Metals

These bobs have a long-lasting diamond abrasive.

No-Mess Polishing Bobs for
Aluminum, Soft Metals, and Nonmetals

The silicon carbide abrasive cuts quickly with light pressure.

Multipurpose No-Mess Polishing Bobs

Polishing Bobs

Polish small areas and hard-to-reach spots. Use in a drill or grinder for bits and burs.

Aggressive Polishing Bobs

Remove scratches from your workpiece with these hard bobs.

Buffing and Polishing Compound Assortments

Buffing and Polishing Compounds

Apply a layer of compound by holding one of these bars against a revolving buffing wheel.

Aggressive Buffing and Polishing Compounds

Remove more material than traditional buffing compounds. These consist of abrasive grains embedded in glue to adhere to your buffing wheel. They leave a dull satin finish. Also known as greaseless compounds.

Polish/Cleaners

Mold Polish

Polish molds, dies, fixtures, and molded materials. This polish removes plate-out, oxidation, and stains.

Metal Polish/Cleaner/Protectants

Clean, polish, and protect aluminum, brass, copper, chrome, and stainless steel with this polish. It removes oxidation, tarnish, and surface rust without scratching or dulling brushed finishes.

Aluminum Polish/Cleaner/Protectants

Free of abrasives and corrosives commonly found in other metal polish, this polish won’t damage or degrade aluminum surfaces.

Fiberglass Polish/Cleaner/Protectants

Remove dirt and scratches from fiberglass surfaces while leaving a bright, protective coating that lasts for months.

Scratch Removers for Plastic

Remove scratches, haziness, and abrasions from plastic surfaces.