SAIT® 27500 Challenger II™ Contaminant Free Flexible Grinding Wheel, 4-1/2 in dia x 1/8 in Thick, 7/8 in Center Hole, 36 Grit

UA® Challenger II™ grinding wheel, contaminant free flexible, 4-1/2 in wheel dia, 1/8 in wheel thickness, 7/8 in center hole, 36 grit, aluminum oxide abrasive grain, wheel type number: type 29, 13280 rpm maximum, resinoid bond, applicable materials: bronze, fiberglass, iron, masonry, non-ferrous metals, plastic, stainless steel and steel. Grind and blend welds in 1-step, no need for multiple steps and products. Ideal for grinding radius and contours in pipe and vessels. Type 29 shape allows easy control in grinding and blending applications with honeycomb, dimpled pattern on face allows for greater cooling and longer life. Open pattern on wheel for cool grinding and blending and contaminant free safe for use in the nuclear industry. Use for longer life in aggressive applications. must be used with backing pad.