Norton 66252940148 Type 27 Grinding Wheel 7 in 24 Grit

Product Description

The NORTON 66252940148 is a Type 27 depressed center grinding wheel engineered for aggressive stock removal on angle grinders. It measures 7 inches in diameter and 1/4 inch thick, with a 5/8-11 threaded arbor hole for secure mounting. The abrasive is 24-grit aluminum oxide bonded with a resinoid bond, a combination that delivers fast cutting action on steel, iron, and hard ferrous metals. Rated to a maximum of 8600 RPM, this wheel is suited for heavy-duty weld grinding, deburring, and surface conditioning in fabrication and maintenance work. It weighs approximately 1.28 pounds.

This wheel is designed for use on standard angle grinders equipped with a 5/8-11 threaded spindle. The Type 27 depressed center profile keeps the grinding face slightly offset from the grinder body, allowing flat and flush grinding across workpiece surfaces. It is commonly used by welders, pipefitters, ironworkers, and maintenance technicians in structural fabrication, shipbuilding, and industrial maintenance applications where rapid material removal is the priority. Sold individually.

Key Features

• 24-grit aluminum oxide abrasive for aggressive stock removal on ferrous metals
• Resinoid bond provides durability and resistance to shock loading during heavy grinding
• Type 27 depressed center profile enables flush grinding on flat surfaces
• 5/8-11 threaded connector for compatibility with standard angle grinder spindles
• 8600 RPM maximum rated speed for use on common 7-inch angle grinders
• 1/4 inch thickness balances wheel life with grinding performance

Compatibility

Designed for use with angle grinders accepting a 7-inch Type 27 wheel with a 5/8-11 threaded arbor connection.

Installation Notes

This wheel should be installed and replaced by a qualified operator familiar with abrasive wheel safety. Always power down and disconnect the angle grinder before mounting or removing the wheel. Confirm the grinder guard is in place and that the tool spindle speed does not exceed the 8600 RPM maximum rating marked on the wheel. Inspect the wheel for cracks or damage before each use and never force-mount a wheel onto a spindle.