It can be used at a running speed or 5,000-20,000 RPM. Use at 10,000 RPM and slower for cutting perspex, Plexiglass, Lexan etc. It will not chip or crack material.
Width of cut: 1.8mm. Centre hole: 3mm.
Diameter: 3.1mm (1/8″).
Designed to replace fragile stone discs, this tungsten carbide cutting disc from Perma-Grit fits Dremel and other hobby drills. It can be used to cut Perspex, all composites, woods, ceramics, stone, piano wire and vacuumed formed mouldings. Recommended by EAA workshops for cutting aircraft canopies.