The Dremel Metal Cutting Wheel features a super abrasive grit called cubic boron nitride (CBN). The CBN coating provides Maximum durability allowing the wheel to remain sharp longer, stay cool, and won’t shrink. A hard metal core of the disk for less breaking of the disk. The wheel size remains in tact when using. Other abrasive disks become smaller when using them. For slicing and cutting metal including hardened steel. Ideal for cutting, grooving and trimming all kinds of metal. It cut off wheels make it easy to cut bolts or screws or make slots in rusted or stripped bolts and screws for removal with a screwdriver.

Working diameter 38.1mm
Cutting depth 14mm
Blade thickness 1mm