FLAT FLAT SHEEL WITH SHEEL 40mm x 20mm x 6mm P60Flap wheels are ideal for machining hard-to-reach, narrow places.Flap wheels are used for machining not only flat surfaces, but also unusual and varied surfaces that require the appropriate degree of grinding.They are used for machining : metalALL STEELPlasticsWoodPaintsPaintPolishesGlazesProduct Advantages :Ideal for sanding flat, convex and concave surfacesVery versatile for a variety of materials, such as steel, alloy steels, wood, aluminum, plasticsCapable of sanding products with complex shapes,No sticking during useRecommended for finishing.Specification :Outer diameter [ D ] - 40 mmHight without shank [ H ]- 20 mmShank [ b ] - fi 6Gradation - 60Rating recommended [ 1/min ] - 19000 - 28000Maximum speed [ 1/min ] - 36000.