Norton 66252916213 Surface Grinding Wheel 60 Grit 7 in

Product Description

The NORTON 66252916213 is a Type 1 surface grinding wheel built for demanding material removal on hard ferrous metals and alloys. It measures 7 inches in diameter, 1/2 inch thick, with a 1-1/4 inch arbor hole, and runs at a maximum of 3600 RPM. The wheel uses a ceramic abrasive grain in a vitrified bond, rated at 60 grit with an H hardness code (medium grade, soft wheel hardness rating). The porous, semi-friable structure promotes cool cutting and consistent stock removal, making it a practical choice for grinding operations where heat buildup and wheel loading are concerns. Installed by machinists and tool-and-die professionals in production and toolroom environments.

This wheel is suited for use on surface grinders, cylindrical grinders, and CNC cutting tool machines. It handles a range of difficult materials including 400 Series stainless steel, hard carbon steels, tool steels, titanium, super alloys, cast iron, ductile iron, and gray iron. The 3SG Type 1 series designation reflects Nortons ceramic grain technology, which is designed to fracture and self-sharpen during grinding, maintaining cut rate over the life of the wheel. Both wet and dry operation are supported, giving shops flexibility depending on coolant availability and workpiece requirements.

Key Features

• Type 1 flat wheel profile with no recess, 7 inches diameter, 1/2 inch thick, 1-1/4 inch hole
• Ceramic abrasive grain in a vitrified bond for consistent, cool cutting action
• 60 grit, H hardness code, medium grade with soft wheel hardness rating
• Semi-friable, porous structure reduces heat buildup and wheel loading
• Rated for wet or dry operation up to 3600 RPM maximum
• Compatible with 400 Series stainless, tool steels, titanium, super alloys, and iron grades

Compatibility

Designed for use with surface grinders, cylindrical grinders, and CNC cutting tool machines. Specified for material applications including 400 Series stainless steel, hard carbon steels, tool steels, titanium, super alloys, cast iron, ductile iron, and gray iron.

Installation Notes

Grinding wheel mounting and dressing should be performed by qualified personnel following ANSI B7.1 safety standards for the use, care, and protection of abrasive wheels. Always power down and de-energize the grinder before mounting or changing wheels. Inspect the wheel for cracks or chips before installation and perform a ring test per manufacturer guidelines. Never exceed the 3600 RPM maximum speed rating stamped on the wheel.