Hard blue aluminum oxide stones with cobalt added to provide lubrication while grinding. Hold their shapes, cut well and leave a smooth surface. Stones are 120 grit and are mounted on 3/32" diameter x 1-1/2"L nickel-plated steel shanks. Can be dressed with our Tru-Stone.
Recommended for use on hardened steel.
Max RPM
For recommended speeds, consult the American National Standard Institute for full information on vitrified mounted wheels. Before using any abrasive product, follow all safe operating guidelines with respect to personal protective devices including safety glasses. Also read the Material Safety Data Sheet (SDS) to be aware of any inherent hazards or cautions.