Tru-maxx 66253269586 Type 11 Grinding Wheel 5 Inch 46 Grit

Product Description

The TRU-MAXX 66253269586 is a Type 11 flaring cup grinding wheel designed for precision grinding and tool sharpening applications. Built with aluminum oxide abrasive and a vitrified bond, this wheel delivers consistent stock removal on ferrous metals and tool steels. It measures 5 inches in diameter with a 1-3/4 inch overall thickness and a 1/4 inch face width, making it well suited for surface and tool grinder setups. The vitrified bond provides rigidity and free-cutting action at a rated maximum of 4,585 RPM. At K hardness (medium grade), the wheel resists glazing while still releasing worn abrasive grains to maintain cut rate throughout the wheel life.

This wheel is used in machine shops, maintenance facilities, and tool rooms for grinding high-speed steel tooling, carbide-tipped tools (with appropriate setup), and general ferrous workpieces. The coarse 46 grit is suited for aggressive material removal and rough grinding passes rather than fine finishing work. Licensed machinists and tool grinders working with bench or pedestal grinders in industrial and trade environments are the primary installers and operators of this product. The 1-1/4 inch hole size and 3-3/4 inch hub diameter are standard for most compatible tool grinder spindles.

Key Features

• Type 11 flaring cup wheel geometry for surface and tool grinding
• Aluminum oxide abrasive with vitrified bond for rigid, free-cutting performance
• 46 grit coarse grade for aggressive stock removal
• K hardness (medium) resists glazing and maintains consistent cut rate
• Friable grain structure promotes self-dressing action during use
• Non-porous construction for use in standard dry grinding environments

Compatibility

Designed as an OEM-style replacement or standard consumable for tool and cutter grinders accepting a Type 11 flaring cup wheel with a 5 inch diameter, 1-1/4 inch arbor hole, and a maximum spindle speed of 4,585 RPM or lower.

Installation Notes

Mounting and dressing of grinding wheels should be performed by qualified personnel following ANSI B7.1 safety standards. Always power down and lock out the grinder before mounting or removing the wheel. Inspect the wheel for cracks or chips before installation using the ring test. Never exceed the rated maximum RPM of 4,585 stamped on the wheel.