Norton precision grinding wheels are designed to consistently achieve precise finishes and tight geometry tolerances. Whether you work with cutting tools, automotive components like camshafts and crankshafts or aerospace components, our precision grinding wheels will stand up to today's highest requirements. Grinding Wheel1/4 in. are designed for offhand stock removal of all types of metals, smoothing welds, and pipe beveling. They are also used for masonry, smoothing welds, and pipe bevelingSilicon carbide is more aggressive and cuts faster than aluminum oxideType 27 depressed center wheels are used for cutting off and portable grindingReinforced design helps provide safety, strength, and straight cutsResin bonds soften under the heat of grinding, releasing dulled abrasive grainsSharp silicon carbide grain works well on masonry materials like concrete, brick, and asphalt4 in. X 1/4 in.