Tru-maxx 66253269546 Surface Grinding Wheel 120 Grit

Product Description

The TRU-MAXX 66253269546 is a Type 1 surface grinding wheel designed for precision flat grinding operations on ferrous and non-ferrous workpieces. Built with aluminum oxide abrasive and a vitrified bond, this wheel delivers consistent stock removal with fine surface finish results. At 120 grit and H hardness, it falls in the soft-to-medium hardness range, making it well-suited for harder steels where the wheel needs to break down and expose fresh abrasive. The semi-friable grain structure supports controlled wear and extended wheel life under steady feed rates. Rated at a maximum of 3600 RPM, it is compatible with standard bench and surface grinders used in machine shops, tool rooms, and maintenance environments.

This wheel is intended for surface grinding applications where fine material removal and workpiece finish quality are the priority. The non-porous vitrified bond provides rigidity and form-holding ability, making it appropriate for precision grinding of flat surfaces. It is a standard choice for tool rooms, production grinding operations, and general-purpose machine shop use. Licensed machinists and tooling technicians typically install and dress this wheel as part of routine grinding setup.

Key Features

• Type 1 straight wheel profile for surface and bench grinder use
• 120 grit aluminum oxide abrasive for fine stock removal and surface finish
• Vitrified bond with non-porous, semi-friable grain structure for consistent wheel breakdown
• H hardness (soft rating) suited for grinding harder workpiece materials
• Maximum rated speed of 3600 RPM
• White wheel color consistent with standard aluminum oxide vitrified wheels

Compatibility

Designed as an OEM-style replacement or standard consumable for surface grinders and bench grinders accepting a 7-inch diameter, 1/4-inch thick Type 1 wheel with a 1-1/4-inch arbor hole.

Installation Notes

Grinding wheel installation and mounting must be performed by a qualified machinist or trained technician following ANSI B11.9 and applicable OSHA standards for abrasive wheel machinery. Power down and lock out the grinder before removing or mounting any wheel. Always perform a ring test before mounting to check for cracks, and ensure the wheel guard is properly reinstalled before operating. Never exceed the rated maximum RPM of 3600.