Polishing Mould stones put finishing touches on tools

Editor: Eric Culp

The medium hardness allows for speedy surface work.

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The stones are said to give a silky smooth finish.
The stones are said to give a silky smooth finish.
(Source: Boride)

The Golden Star Stone is made using select premium aluminum oxide grain and a proprietary treatment process. The medium hardness stone is said to have a fast breakdown for quick material removal and contouring and a silky smooth finish.

The stone is for tool steels and performs well on EDM surfaces and milling and machining marks. It needs no long pre-lubrication process and can be used during hand stoning and with profilers, its supplier said.

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