Hi-Tech Diamond electroplated diamond discs provide a flat grinding surface for both rough and fine grinding on stones and glass. Top-grade diamond powder is nickel electroplated uniformly onto a 1mm-thick steel disc, resulting in the highest quality disc available on the market. These diamond discs have a long lifespan because they are m
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Quality & Long Lasting.
You can't beat the quality that HI-TECH put into the plating of their Diamond Disc. Each one comes with extra strong plating for a long lasting duration.
C
Carl · Today
Valuable lesson learned
M
Michael · August 21, 2026
The Go-To Manufacturer
Hi-Tech is my Go-To manufacturer for topper laps. These last the longest and always outperform the cheaper laps. What I really appreciate is that as they wear, they are still useful as finer grit. I have some 600 grit discs that I still use as something closer to 3000 grit. They are awesome.