Carborundum 19xx

Abrasive Disc Carborundum 99B A 80 J 9V Diameter: 200mm Disc Thickness: 24 / 8mm Opening: 76mm Grain: 80 Hardness: soft Structure: very open Bonding: ceramic white corundum, Speed ??for manual / machine grinding: 2390/2875 rpm. Usage recommended: steel class 11 Usage possible: steel up to 55 HRC, steel

The disc comes from over-standard stock, may have scratches due to storage, functional at 95-99% - without affecting the correct functionality Sanding disc for stand / machine sander, with one-sided recess for flat grinding Diameter: 200mm Wheel strength: 32mm Hole: 32mm Recess diameter: 110mm Recess width: 20mm Grit: 46 Type abrasives: 99BA - artificial white corundum, ceramic binder Hardness: M Structure: 8 Speed: 50 m/s - You can find the way of marking the discs in the attached table. Recommended use: steel class 11, steel up to 55 HRC Use possible: stainless steel, cast iron