Norton 66253043437 Surface Grinding Wheel 80 Grit 8 in

Product Description

The NORTON 66253043437 is a Type 1 surface grinding wheel designed for precision stock removal on ferrous metals in surface grinding and cylindrical grinding applications. Built with white aluminum oxide abrasive and a vitrified bond, this wheel delivers consistent, controlled cutting action across soft carbon steels, tool steels, and super alloys. It measures 8 inches in diameter, 1/4 inches thick, and carries a 1-1/4 inch arbor hole. The 80 grit, medium-grade specification and semi-friable abrasive structure make it well-suited for work that requires a balance between material removal rate and surface finish quality. Rated to a maximum of 3600 RPM, it is installed and operated by machinists and tool-and-die professionals on production grinding equipment.

This wheel is intended for use on surface grinders, cylindrical grinders, and CNC cutting tool machines in both job shop and production environments. Typical applications include finish grinding of tool steel components, super alloy workpieces, and soft carbon steel parts where controlled surface finish is required. The 38A series designation identifies this as a standard aluminum oxide formulation within the NORTON 38A Type 1 line, recognized across machine shops for general-purpose ferrous grinding work.

Key Features

• White aluminum oxide abrasive for consistent, cool cutting on ferrous metals
• Vitrified bond provides rigid wheel structure and predictable wear characteristics
• 80 grit, medium grade balances stock removal with surface finish quality
• Semi-friable abrasive continuously self-sharpens to reduce loading on softer steels and super alloys
• Type 1 flat wheel profile with no recess and no taper for straightforward mounting
• Rated to 3600 RPM maximum operating speed

Compatibility

Designed for use with surface grinders, cylindrical grinders, and CNC cutting tool machines. Suitable for grinding soft carbon steels, tool steels, and super alloys. Verify arbor size, flange configuration, and maximum RPM rating of the host machine before mounting.

Installation Notes

Grinding wheel installation must be performed by a qualified machinist or grinding machine operator following ANSI B11.9 and applicable shop safety standards. Always inspect the wheel for cracks or chips before mounting and perform a ring test to confirm structural integrity. Power down and lock out the grinder before mounting or removing any wheel. Never exceed the 3600 RPM maximum speed rating stamped on the wheel or stated on the blotter.