4 Inch Diamond Grinding Cup Wheel 12 Segs Heavy Duty Concrete Grinding Wheel with 5/8" Adapters, Turbo Grinding Wheel Angle Grinder Disc for Concrete Granite Marble Masonry Stone - JonPhoe, 100048-YE

• High Compatibility: These diamond grinder wheels are designed to be used in all American standard 4" or 4 1/2" angle grinders with 7/8" arbor, it also comes with a reducing bushing, which can reduce the bore diameter from 7/8" to 5/8" to fit M10 angle grinder shaft Strong and Durable: Made of hot pressing technology combined with steel body and high concentration of diamond, these diamond grinding cup wheels have high hardness and are not easily deformed or broken when in use, making them stable and durable Air Hole Design: The air hole design of the concrete grinder wheel makes it structurally strong and help to maintain and cool the cutting pattern to reduce wear, improving the work efficiency Wide Range of Applications: Suitable for various types of stone, which can be applied for dry or wet grinding of concrete, granite, marble, ceramic tile, masonry and some other construction materials, smoothing uneven surfaces and removing flash 【Packing Included】1 pcs 4" × 7/8" + 1 pcs 5/8" reducing bushing. Please check whether the size of diamond grinding wheel is suitable for your equipment before placing an order.