Crystalite Solid Steel Lap
They are absolutely flat and parallel to meet the most exacting faceting requirements. Suitable for facetors who are cutting competition gemstones.
The diamonds are plated directly on to the solid steel disk. Lower cost disks are usually glued on to an aluminium master lap. Plating the diak directly eliminates the small chance of undulations in the surface of the disk.
Additionally, these discs have a corrosion resistent copper undercoating.
A 1/2" arbor hole is standard.
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