Norton 66252939547 Surface Grinding Wheel 60 Grit 7 in

Product Description

The NORTON 66252939547 is a Type 1 surface grinding wheel built for stock removal and surface finishing on ferrous and non-ferrous metals. The wheel measures 7 inches in diameter and 1/4 inch thick, with a 1-1/4 inch arbor hole. It uses an aluminum oxide abrasive with a vitrified bond in a porous structure, rated at 60 grit and H hardness (medium grade). This combination delivers consistent cut rate and wheel durability on production grinding equipment. At a maximum operating speed of 3600 RPM, it is suited for tool room and production surface grinder applications where controlled material removal is the priority.

This wheel is designed for use on surface grinders, cylindrical grinders, and CNC cutting tool machines in both shop and production environments. It is appropriate for grinding 400 series stainless steel, hard and soft carbon steels, tool steels, aluminum, cast iron, ductile iron, and gray iron. The 60-grit medium-grade specification makes it a practical choice when operators need to balance aggressive stock removal with an acceptable surface finish. Licensed grinding machine operators and tool room machinists are the typical users for this wheel type.

Key Features

• Aluminum oxide abrasive with vitrified bond for consistent, free-cutting action on ferrous and non-ferrous materials
• Porous wheel structure promotes chip clearance and reduces heat buildup during grinding
• 60 grit, H hardness (medium grade) balances stock removal rate with surface finish quality
• Type 1 straight wheel profile fits standard surface grinder and cylindrical grinder spindles
• Maximum rated speed of 3600 RPM for safe operation on compatible machines
• Series designation 32A60-HVBE provides direct cross-reference for procurement and replacement

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

Mounting and dressing of grinding wheels should be performed by qualified personnel following ANSI B11.9 and OSHA 1910.215 grinding safety standards. Always inspect the wheel for cracks or chips before mounting and perform a ring test. Power down and lock out the machine before changing wheels, and confirm arbor size and maximum RPM compatibility before installation. Never exceed the rated maximum operating speed of 3600 RPM.