Norton 66253044382 Type 5 Surface Grinding Wheel 46 Grit

Product Description

The NORTON 66253044382 is a Type 5 surface grinding wheel designed for aggressive stock removal on ferrous and non-ferrous metals in industrial grinding applications. Built with aluminum oxide abrasive and a vitrified bond, this coarse-grade wheel operates at a maximum of 3600 RPM and delivers consistent cutting action across a wide range of material hardnesses. The wheel measures 8 inches in diameter and 1 inch thick, with a 1-1/4 inch mounting hole. The vitrified bond offers rigidity and porosity for free cutting with good form holding, making it well suited for surface and cylindrical grinding work performed by machinists and tool-and-die tradespeople.

This wheel is rated for use on 400 series stainless steel, hard and soft carbon steels, tool steels, aluminum, cast iron, ductile iron, and gray iron. It is intended for use on surface grinders and cylindrical grinders in production and maintenance shop environments. The Type 5 recessed profile on one side accommodates specific wheel flanges and spindle configurations common on surface grinder setups. The 32A series designation indicates a specification grade aluminum oxide formulation suited for precision and semi-precision grinding where consistent finish and wheel life are required.

Key Features

• Aluminum oxide abrasive with vitrified bond for rigid, free-cutting performance
• Type 5 one-side recessed wheel profile with 3.25 inch recess diameter and 0.5 inch recess depth
• 46 grit coarse grade removes stock quickly on hard and soft ferrous metals
• Rated to 3600 RPM maximum operating speed
• Porous wheel structure promotes coolant flow and chip clearance
• Compatible with a broad range of metals including stainless, carbon steels, tool steels, and cast iron

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

Grinding wheel mounting and dressing must be performed by a qualified machinist or grinding equipment operator in accordance with ANSI B11.9 safety standards for grinding machines. Always inspect the wheel for cracks or chips using the ring test before mounting. Power down and lock out the grinder before changing wheels. Never exceed the maximum operating speed of 3600 RPM stamped on the wheel blotter.