Norton 66252942826 Surface Grinding Wheel 7in 46 Grit

Product Description

The NORTON 66252942826 is a Type 5 surface grinding wheel engineered for use on surface grinders and cylindrical grinders in metalworking applications. Built from aluminum oxide abrasive with a vitrified bond, this wheel carries a 46-grit, coarse-grade specification and a G hardness code — characteristics that support aggressive stock removal on ferrous and non-ferrous materials. The wheel measures 7 inches in diameter and 1 inch thick, with a 1-1/4-inch arbor hole. A one-side recess of 1/2 inch deep and 2-3/4 inches in diameter is machined into the face, which is the defining feature of the Type 5 form. Maximum operating speed is 3600 RPM. The wheel weighs approximately 2.98 pounds. It carries the specification code 32A46-GVBEP.

This wheel is suited for production and maintenance grinding in industrial and job-shop environments. It is designed for use on surface grinders and cylindrical grinders where controlled, flat-surface stock removal is required. Confirmed material applications include 400 series stainless steel, hard carbon steels, soft carbon steels, tool steels, aluminum, cast iron, ductile iron, and gray iron. The porous, vitrified bond structure promotes cool cutting and chip clearance during extended grinding passes, making this wheel a practical choice for shops working across a range of common ferrous and non-ferrous workpiece materials.

Key Features

• Type 5 form with one-side recess: 1/2 inch deep, 2-3/4 inches diameter
• Aluminum oxide abrasive — specification code 32A46-GVBEP
• 46 grit, coarse grade, G hardness for aggressive stock removal
• Vitrified bond with porous structure for cool cutting and chip clearance
• Rated to 3600 RPM maximum operating speed
• Compatible with surface grinders and cylindrical grinders

Compatibility

Designed for use with surface grinders and cylindrical grinders. Confirmed material applications include 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 should be performed by a qualified machinist or grinding equipment operator following the machine manufacturer's instructions and applicable ANSI B11 safety standards. Always inspect the wheel for cracks or chips before mounting — never use a damaged wheel. Ensure the machine spindle speed does not exceed the 3600 RPM maximum rating marked on the wheel. Dress the wheel with an appropriate diamond or star dresser before first use and after any loading or glazing occurs to maintain cutting efficiency.