Norton 66252942688 Type 5 Surface Grinding Wheel 46 Grit

Product Description

The NORTON 66252942688 is a Type 5 recessed surface grinding wheel designed for aggressive stock removal on a wide range of ferrous and non-ferrous metals. Built with aluminum oxide abrasive and a vitrified bond, this wheel delivers consistent cut rate and free-cutting action at coarse 46 grit. It measures 7 inches in diameter and 1 inch thick, with a 1-1/4 inch arbor hole and a one-side recess measuring 2.75 inches in diameter and 0.5 inches deep. Rated to 3,600 RPM, it is suited for surface and cylindrical grinder applications where material removal rate takes priority over fine finish. The H hardness code places this wheel in the soft-to-medium hardness range, helping it release dull grains and stay free-cutting on harder workpiece materials.

This wheel is intended for use on surface grinders and cylindrical grinders in industrial and maintenance shop environments. Compatible material applications include 400 series stainless steel, hard and soft carbon steels, tool steels, aluminum, cast iron, ductile iron, and gray iron. The coarse grit and soft bond grade make it well suited for rough grinding passes where surface finish is a secondary concern. It is commonly installed by machinists and grinding equipment operators in production and job-shop settings.

Key Features

• Aluminum oxide abrasive with vitrified bond for consistent, free-cutting performance
• 46 grit coarse grade for high material removal rates
• H hardness (soft range) promotes self-dressing action on harder metals
• Type 5 one-side recessed profile with 2.75 inch recess diameter and 0.5 inch recess depth
• 3,600 RPM maximum speed rating
• Gray, non-porous wheel construction; specification designation 32A46-HVBE

Compatibility

Designed for use with surface grinders and cylindrical grinders. 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

Mounting and dressing of grinding wheels should be performed by qualified personnel following ANSI B11.9 and applicable OSHA standards for abrasive wheel machinery. Always inspect the wheel for cracks or damage before mounting and perform a ring test. Power down and lock out the grinder before changing wheels. Never exceed the maximum RPM stamped on the wheel or listed on the blotter.