Norton 66252941950 Surface Grinding Wheel 46 Grit 7 in

Product Description

The NORTON 66252941950 is a Type 1 vitrified aluminum oxide surface grinding wheel designed for precision stock removal on ferrous metals and high-performance alloys. The wheel measures 7 inches in diameter and 3/4 inches thick with a 1-1/4 inch arbor hole. At 46 grit with an H hardness code and coarse grade, it delivers aggressive material removal while maintaining form. The semi-friable aluminum oxide grain fractures controllably under load, continuously exposing fresh cutting edges. Maximum operating speed is 3,600 RPM. This wheel is suited for licensed machinists and tool-and-die technicians working on surface and cylindrical grinding machines.

This grinding wheel is rated for use on soft carbon steels, tool steels, and super alloys. It is designed for use with surface grinders, cylindrical grinders, and CNC cutting tool machines in both production and toolroom environments. The white aluminum oxide abrasive and vitrified bond structure make it well suited for applications that require consistent finish quality and controlled heat generation at the workpiece. The non-porous, non-tapered, no-recess design conforms to the standard Type 1 straight wheel profile.

Key Features

• 46 grit coarse grade for aggressive stock removal on steels and super alloys
• H hardness code with semi-friable aluminum oxide grain for self-dressing action
• Vitrified bond provides rigidity and consistent wheel form throughout wheel life
• Type 1 straight wheel profile with no recess and no taper for standard surface and cylindrical grinder spindles
• 3,600 RPM maximum operating speed
• Series 38A Type 1 specification: 38A46-HVBE

Compatibility

Designed for use with surface grinders, cylindrical grinders, and CNC cutting tool machines. Rated for material applications including soft carbon steels, tool steels, and super alloys.

Installation Notes

Installation should be performed by a qualified machinist or grinding equipment operator. Always inspect the wheel for cracks or chips before mounting using the ring test per ANSI B7.1 safety standards. Power down and lock out the grinding machine before changing wheels. Never exceed the 3,600 RPM maximum speed rating marked on the wheel.