Tru-maxx 66253255472 Surface Grinding Wheel 8in 80 Grit

Product Description

The TRU-MAXX 66253255472 is a Type 1 surface grinding wheel designed for precision stock removal and surface finishing on ferrous metals. Built with aluminum oxide abrasive and a vitrified bond, it delivers consistent cut rate and form retention across flat grinding applications. The wheel measures 8 inches in diameter, 1/2 inch thick, with a 1-1/4 inch arbor hole, and is rated to a maximum of 3600 RPM. At 80 grit with a medium (K) hardness and semi-friable grain structure, it balances aggressive material removal with controlled surface finish. Machinists and tool-and-die professionals use this wheel on surface grinders requiring a straight, flat profile.

This wheel is suited for surface grinding operations on horizontal and vertical spindle machines in production shops, tool rooms, and maintenance environments. The vitrified bond provides rigidity and open pore structure that resists loading when working steel, cast iron, and similar ferrous workpieces. The 80-grit medium-grade specification makes it appropriate for intermediate stock removal where a moderate surface finish is acceptable. It is sold individually and fits standard surface grinder arbors accepting a 1-1/4 inch bore.

Key Features

• Aluminum oxide abrasive with semi-friable grain structure for consistent self-sharpening action
• Vitrified bond provides rigidity and open structure to resist loading on ferrous materials
• 80 grit, medium grade (K hardness) for intermediate stock removal and moderate surface finish
• Type 1 straight wheel profile with no recess — compatible with standard surface grinder spindles
• Rated to 3600 RPM maximum operating speed
• White wheel color consistent with aluminum oxide abrasive classification

Compatibility

Designed as a replacement-style Type 1 straight surface grinding wheel for horizontal and vertical spindle surface grinders accepting an 8 inch diameter, 1/2 inch wide wheel with a 1-1/4 inch arbor bore.

Installation Notes

Surface grinding wheels must be mounted by qualified personnel following ANSI B11.22 and OSHA 29 CFR 1910.215 guarding requirements. Always perform a ring test before mounting to check for cracks, and inspect flanges and blotters for proper fit and condition. Power down and lock out the machine before changing wheels. Never exceed the 3600 RPM maximum speed marked for this wheel.