Norton 66253043421 Surface Grinding Wheel 8in 80 Grit

Product Description

The NORTON 66253043421 is a Type 1 surface grinding wheel designed for precision flat-surface stock removal on ferrous and non-ferrous metals. Built with aluminum oxide abrasive and a vitrified bond, this wheel measures 8 inches in diameter, 1/4 inch thick, with a 1-1/4 inch arbor hole. The 80 grit, medium-grade specification delivers a balance of cut rate and surface finish quality suited to production surface grinding. Rated to 3600 RPM maximum operating speed, it carries the 32A80-IVBE specification designation. Weight is 1.04 pounds. Licensed machinists, tool and die workers, and industrial maintenance technicians are the primary installers of this wheel type.

This wheel is suited for surface grinding operations on 400 series stainless steel, hard and soft carbon steels, tool steels, aluminum, cast iron, ductile iron, and gray iron. It is intended for use on surface grinders, cylindrical grinders, and CNC cutting tool machines in both production shop and maintenance environments. The porous, vitrified-bond construction promotes cool cutting and resistance to glazing during extended grinding passes on hardened workpieces.

Key Features

• Aluminum oxide abrasive for broad ferrous and non-ferrous metal compatibility
• Vitrified bond construction for open, cool-cutting action and shape retention
• 80 grit medium grade balances material removal rate with finished surface quality
• Type 1 straight wheel profile fits standard surface and cylindrical grinder spindles
• Porous structure resists loading and glazing during continuous stock removal
• 32A80-IVBE specification ensures consistent grade, hardness, and bond lot-to-lot

Compatibility

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

Installation Notes

Grinding wheel mounting and dressing must be performed by qualified personnel following ANSI B11.9 and OSHA 29 CFR 1910.215 standards. Always power down and lock out the grinder before mounting or changing a wheel. Inspect the wheel for cracks or chips before installation and perform a ring test; never mount a damaged wheel. Do not exceed the 3600 RPM maximum operating speed marked on the wheel.