Norton Circular Saw Reinforced Cut-off Wheels (6" – 8") provide precise,
thin cuts using portable circular saws to slot and cut all types of
metal – such as sheet metal and roof decking. Available in three
forumlations: Aluminum Oxide 57A – B25N Wheels, Aluminum Oxide – OBNA2
Bond Wheels, and Charger Long Life.
Used on portable circular saws
Blend of premium zirconia alumina and aluminum oxide abrasives with rough sides outperforms standard aluminum oxide up to 3X in life