Norton 66253038895 Surface Grinding Wheel 8in 60 Grit

Product Description

The NORTON 66253038895 is a Type 1 surface grinding wheel engineered for precision stock removal on ferrous metals. Built around an aluminum oxide abrasive with a vitrified bond, this wheel delivers consistent cut rate and form retention throughout its service life. It measures 8 inches in diameter, 1/2 inch thick, with a 1-1/4 inch arbor hole. The 60-grit, J-hardness (medium grade) specification makes it well suited for moderate material removal where surface finish and wheel life must both be considered. Rated at a maximum of 3,600 RPM, it is sized for benchtop and floor-standing surface grinders used in tool rooms and production grinding applications. Licensed machinists and grinding technicians are the primary installers and operators of this wheel.

This wheel is rated for use on hard carbon steels, soft carbon steels, and tool steels. Its vitrified bond structure provides an open, porous matrix that resists loading and maintains free-cutting action during extended passes. The 32AA60-JVTR specification designates the full abrasive formulation for shops that need to cross-reference or match existing wheel specs. The wheel ships individually and is designed for use on surface grinders, cylindrical grinders, and CNC cutting tool machines.

Key Features

• Aluminum oxide abrasive — effective on hard and soft carbon steels and tool steels
• Vitrified bond with porous structure resists loading and supports free-cutting action
• 60 grit, J hardness (medium grade) balances material removal rate with wheel longevity
• Type 1 straight wheel profile with no recess — straightforward mounting on standard arbors
• 3,600 RPM maximum operating speed
• Full specification code: 32AA60-JVTR

Compatibility

Rated for use with surface grinders, cylindrical grinders, and CNC cutting tool machines requiring a Type 1 straight wheel with a 1-1/4 inch arbor hole and 8 inch diameter.

Installation Notes

Grinding wheel mounting and dressing must be performed by a qualified machinist or grinding technician. Before mounting, inspect the wheel for cracks or chips using the ring test per ANSI B11.9 and OSHA 29 CFR 1910.215 guidelines. Power down and lock out the grinder before changing wheels, and confirm the machine spindle speed does not exceed the 3,600 RPM rating stamped on the wheel. Always use the correct flanges and blotters, and allow the wheel to run at operating speed for at least one minute behind a guard before grinding.