Tru-maxx 66253269894 Surface Grinding Wheel 8in 46G

Product Description

The TRU-MAXX 66253269894 is a Type 1 straight surface grinding wheel designed for bench and pedestal grinder applications in metal fabrication and tool-and-die work. Constructed from aluminum oxide abrasive, this wheel measures 8 inches in diameter and 1/2 inch thick, with a 1-1/4 inch arbor hole. The 46-grit coarse grade removes material aggressively, making it well suited for rough stock removal, weld dressing, and deburring on ferrous metals. The J hardness rating indicates a medium bond that releases abrasive grains at a controlled rate, helping maintain cut consistency throughout the wheel life. Rated to 3600 RPM, this non-porous wheel carries a ruby color designation.

This wheel fits standard 8-inch bench grinders and pedestal grinders commonly found in machine shops, maintenance facilities, fabrication shops, and tool rooms. The Type 1 straight profile is the most widely used configuration for flat surface and edge grinding. Machinists, tool grinders, and maintenance technicians use this wheel for general-purpose ferrous metal grinding, including carbon steel and alloy steel workpieces. The coarse 46-grit cut rate makes it a first-stage wheel before finishing with a finer grit.

Key Features

• Aluminum oxide abrasive construction for aggressive stock removal on ferrous metals
• 46 grit coarse grade for rapid material removal and weld dressing
• J hardness (medium bond) for consistent grain release during extended use
• Type 1 straight profile fits standard bench and pedestal grinders
• Non-porous wheel structure resists loading on heavy cuts
• 3600 RPM maximum speed rating

Compatibility

Designed as a direct-fit replacement for standard 8-inch bench and pedestal grinders accepting a 1-1/4 inch arbor hole and Type 1 straight wheel profile.

Installation Notes

Wheel mounting should be performed by a qualified operator following ANSI B7.1 safety standards for abrasive wheels. Always inspect the wheel for cracks or chips using the ring test before mounting, and never use a damaged wheel. Power down and lock out the grinder before changing wheels, and confirm the machine RPM rating meets or exceeds the wheel maximum speed rating. Install proper wheel flanges and blotters as required, and run the wheel at operating speed for at least one minute behind a guard before grinding.