Norton 66253246790 Surface Grinding Wheel 80 Grit 7in

Product Description

The NORTON 66253246790 is a Type 1 surface grinding wheel engineered for precision stock removal on ferrous and non-ferrous metals. It measures 7 inches in diameter, 1/4 inch thick, with a 1-1/4 inch arbor hole. The wheel uses an aluminum oxide abrasive bonded in a vitrified bond matrix, rated at a J hardness code and medium grade. With a maximum operating speed of 3600 RPM, this wheel delivers consistent, controlled cutting action suited to surface and cylindrical grinding applications. It is installed and operated by machinists and tool-and-die technicians working in production and maintenance environments.

This grinding wheel is designed for surface grinding applications on 400 series stainless steel, hard carbon steels, soft carbon steels, tool steels, aluminum, cast iron, ductile iron, and gray iron. It is compatible with surface grinders, cylindrical grinders, and CNC cutting tool machines. The Series 32A Type 1 construction is well suited to both production runs and precision one-off grinding tasks where consistent material removal and wheel life are priorities.

Key Features

• Aluminum oxide abrasive for effective cutting on a wide range of ferrous and non-ferrous metals
• Vitrified bond provides rigidity and resistance to heat and coolant
• J hardness code with medium grade for balanced wheel wear and cutting performance
• Non-porous, no-recess Type 1 flat wheel profile for standard surface grinding setups
• 3600 RPM maximum operating speed
• Specification code 80J8V32A for precise identification and reordering

Compatibility

For use with surface grinders, cylindrical grinders, and CNC cutting tool machines. Suitable for material applications including 400 series stainless steel, hard carbon steels, soft carbon steels, tool steels, aluminum, cast iron, ductile iron, and gray iron.

Installation Notes

Installation should be performed by a qualified machinist or grinding equipment operator following ANSI B11.9 and applicable machine manufacturer guidelines. Always power down and de-energize the grinder before mounting or removing a wheel. Inspect the wheel for cracks or chips before installation and perform a ring test per OSHA and ANSI standards. Never exceed the rated maximum RPM of 3600 under any operating condition.