Norton 66252809599 Type 11 Grinding Wheel 6 in 16 Grit

Product Description

The NORTON 66252809599 is a Type 11 (snagging) grinding wheel designed for aggressive stock removal on metal workpieces. Built with aluminum oxide abrasive and a resinoid bond, it operates at a maximum of 6,000 RPM and carries a Q (Hard) hardness rating at 16 grit — a very coarse cut suited for rapid material removal rather than finishing work. The wheel measures 6 inches in diameter and 2 inches thick, with a 1-1/2-inch face width, and mounts via a 5/8-11 threaded hole. It is part of the NORTON Gemini line and weighs 2.2 pounds.

This wheel is intended for snagging and offhand grinding applications where fast, aggressive material removal is the priority. Typical uses include weld bead removal, casting cleanup, flash removal, and deburring on ferrous metals. Its Type 11 cup configuration makes it well-suited for surface contact grinding with a right-angle or pedestal grinder in industrial and fabrication settings. Licensed tradespeople and fabricators in HVAC, plumbing, and general metalworking trades use wheels of this type when prepping pipe joints, structural steel, and heavy weldments.

Key Features

• Type 11 (snagging) cup wheel profile for broad surface contact during offhand grinding
• 16 grit aluminum oxide abrasive — very coarse for maximum stock removal rate
• Q hardness (Hard) rating maintains wheel integrity under heavy grinding pressure
• Resinoid bond provides durability and resistance to shock loading
• 6,000 RPM maximum rated speed for compatibility with standard angle and pedestal grinders
• 5/8-11 threaded hub for secure, standard-fit mounting

Compatibility

Designed for use on grinders that accept a 5/8-11 threaded spindle and are rated for wheels up to 6 inches in diameter operating at or below 6,000 RPM. Verify machine speed rating before mounting.

Installation Notes

Installation should be performed by a qualified operator following ANSI B7.1 safety standards for the use, care, and protection of abrasive wheels. Always power down and lockout/tagout the grinder before mounting or removing a wheel. Inspect the wheel for cracks or chips before each use and perform a ring test on vitrified wheels — though this is a resinoid bond, visual inspection is still required. Never exceed the maximum RPM marked on the wheel, and always use the appropriate guard.