Busch Diamond Starr Disc is medium grit and is mounted on a 2.35mm shank, which is compatable with most pendant drills and micromotors. The working part of this disc is 22.00mm in diameter, the internal working diameter is 8.50mm. The thickness of the disc is 0.45mm.
Busch Diamond Starr Disc is used for grinding glass and other hard materials such as stones, they are used with water as a lubricant. This disc can also be used to grind and sharpen PUK electrodes.
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