Norton 66252939695 Surface Grinding Wheel 7in 60 Grit

Product Description

The NORTON 66252939695 is a Type 1 straight surface grinding wheel designed for precision material removal on ferrous metals and high-performance alloys. Built with aluminum oxide abrasive and a vitrified bond, it delivers consistent stock removal and controlled surface finish on surface grinders, cylindrical grinders, and CNC cutting tool machines. At 7 inches in diameter and 1/4 inch thick with a 1-1/4 inch arbor hole, this wheel carries an H hardness code and medium grade rating. It is rated to 3600 RPM and carries the 38A60-HVBE specification designation. Licensed grinding professionals and tool room machinists are the primary installers and operators.

This wheel is well suited for tool room and production grinding applications involving soft carbon steels, tool steels, and super alloys. The 60 grit size provides a balance between aggressive material removal and acceptable surface finish, making it a practical choice for roughing and intermediate grinding passes. It fits surface grinders, cylindrical grinders, and CNC cutting tool machines that accept a 1-1/4 inch arbor. The white aluminum oxide abrasive is semi-friable, meaning it self-sharpens under load, which helps maintain cutting action across the wheel face during extended use.

Key Features

• Type 1 straight wheel profile with no recess — mounts flat to compatible flanges
• 38A aluminum oxide abrasive, semi-friable — self-sharpens under cutting load
• Vitrified bond for rigid, free-cutting performance on precision grinders
• 60 grit medium grade — effective for roughing and intermediate passes on steel and alloys
• H hardness code — appropriate for softer workpiece materials including carbon steels and super alloys
• 3600 RPM maximum operating speed

Compatibility

Specified for use with surface grinders, cylindrical grinders, and CNC cutting tool machines accepting a 7 inch diameter, 1-1/4 inch arbor wheel. Suitable material applications include soft carbon steels, tool steels, and super alloys per the 38A60-HVBE series specification.

Installation Notes

Grinding wheel mounting must be performed by qualified personnel following ANSI B7.1 safety standards for the use, care, and protection of abrasive wheels. Before mounting, power down and lock out the grinder per applicable LOTO procedures. Inspect the wheel for cracks or chips using the ring test before installation — do not mount a damaged wheel. Never exceed the 3600 RPM maximum operating speed stamped or labeled on the wheel.