Tru-maxx 66253255804 Surface Grinding Wheel 46 Grit

Product Description

The TRU-MAXX 66253255804 is a Type 1 surface grinding wheel designed for precision stock removal on surface grinders in industrial and metalworking applications. It measures 7 inches in diameter, 1/2 inch thick, with a 1-1/4 inch arbor hole. The wheel is constructed from aluminum oxide abrasive with a vitrified bond and carries a coarse 46 grit rating with F hardness. The porous, semi-friable grain structure helps dissipate heat and resist loading during extended grinding passes. Rated to a maximum of 3600 RPM, this wheel suits horizontal-spindle reciprocating surface grinders commonly found in machine shops and tool rooms. Installation and dressing are handled by machinists or qualified grinding equipment operators.

This wheel is suited for surface grinding ferrous metals including mild steel, alloy steel, and similar materials where a coarse, aggressive cut is needed. Its Type 1 flat profile fits standard surface grinder spindles accepting a 1-1/4 inch arbor. The vitrified bond provides rigidity and consistent performance across repetitive passes on horizontal-spindle machines. It is a practical choice for production stock removal and tool reconditioning work where a soft-to-medium wheel grade helps prevent workpiece burn on harder steels.

Key Features

• Type 1 flat wheel profile for horizontal-spindle surface grinders
• Aluminum oxide abrasive grain, semi-friable for free cutting action
• Vitrified bond with porous structure for heat dissipation and reduced loading
• 46 grit coarse grade for aggressive stock removal
• F hardness rating for controlled wheel wear on ferrous workpieces
• Maximum operating speed of 3600 RPM

Compatibility

Designed as an OEM-style replacement and standard fitment for surface grinders accepting a Type 1 wheel with a 1-1/4 inch arbor bore and a 7 inch diameter.

Installation Notes

Surface grinding wheels must be installed by a qualified machine operator or machinist following ANSI B7.1 safety standards for the use, care, and protection of abrasive wheels. Always perform a ring test before mounting to check for cracks, and confirm the machine spindle speed does not exceed the 3600 RPM maximum rating marked on the wheel. Power down and lock out the grinder before mounting or removing the wheel. Never exceed the rated maximum RPM, and dress the wheel with an appropriate diamond dresser before initial use.