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Grinding Wheeles and cause the wheel to wiktionary:burst, with fatal results. Cup wheelImage:GrindingCupWheelPA46JV.jpg|thumb|100px A cup wheel as pictured to the right, is predominately used in tool and cutter grinders where orientation of the wheel and slim profile are required. These wheels are used (and dressed) on the side face and have the advantage of producing a truely flat surface on the side of tool bit Straight wheelTo the left is an image of a straight wheel. These are by far the most common style of wheel and are commonly found on bench grinder. They are used on the periphery only and therefore produce a slightly concave surface, this can be used to advantage on many tools such a chisels Diamond wheelAt right is a diamond wheel, these have industrial diamonds bonded to the periphery, they are used for grinding extremely hard materials such as carbide tips, gemstones or concrete. The saw pictured is a slitting saw and is designed for slicing hard materials, typically gemstones. Cut off wheelsCut off or parting wheels are self sharpening, they are thin in width and often have radial fibres reinforcing them. Often used in the construction industry for cutting reinforcement steel (rebar), protruding bolts or anything that needs quick removal or trimming. Most handyman would recognise an angle grinder and the discs they use.
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