Diemakers' Stones | McMaster-Carr

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Smoothing and Polishing Stones

Smoothing and Polishing Stones

Maintain tools, molds, and dies. These stones can be used by hand or in power tools with a compatible holder.

Fast-Cutting Smoothing Stones

Also known as Crystolon stones, these abrade quickly to create a smooth or extra-smooth finish.

Semiflexible and Long-Lasting
Smoothing and Polishing Stones

Strong and wear-resistant, these thin bonded-ceramic stones have some give when pressure is applied.

Polishing Stones for EDM Scale Removal

Remove the tough scale left by the EDM (electrical discharge machining) process.

Uniform-Finish Polishing Stones

Uniform-Finish Polishing Stones

Prevent uneven polishing marks. Unlike other polishing stones, these stones never leave your work surface for a uniform finish.

Polishing Stones for Gauge Blocks

Remove rust, burrs, and other flaws that keep your gauge blocks from wringing together.

Polishing Stones for Hard Metals

Remove imperfections on tools, molds, and dies made from high-grade steel, such as P20 and H13 tool steel, 420 stainless steel, and more.

Polishing Stones for Soft Metals

Prevent scratches, tears, and gouges in aluminum, brass, and other soft metal molds and dies as you polish.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)