Diamond single crystal tools
Diamond ruling pencils
 are
used in stropping of abrasive grinding wheels from electrolytically
produced corundum and silicon carbide. Diamond ruling pencils of
different types are manufactured from natural diamonds of XII, XV,
XVI and XVII groups and polycrystalline diamonds APC-4.
Diamond ruling needles
are manufactured from natural diamonds (0,21-0,30 crts) and used
in stropping of special wheels.
Diamonds holder
of different types are manufactured from diamonds (from 0,02-0,04
up to 1,61-2,10 crts) and used in grilling of wheels of any shapes.
| 
