Angle grinder, also called grinding machine or plate mill, is used for glass fiber reinforced plastic cutting and grinding of a grinding tool. Angle grinder is a use of glass fiber reinforced plastic portable electric tools for cutting and polishing, brush is mainly used for cutting, grinding and grinding metal and stone, etc. Angle grinder model according to the use of attachment specification is divided into common mm (Inch), mm (Inch), mm (Inch), mm (Inch)And mm (Inch), Europe and the United States use more small specification grinder in millimeters. A lot of useful Angle grinder, carpenter, bricklayer's, welders are used to. Installed on the grinding wheel is a small portable grinding wheel cutter, cutting grinding small metal parts, metal processing such as stainless steel window and light boxes are made without it. Wouldn't it or make stone processing installation, can be installed marble cutting wheel, and a series of films, crystal, flowing wool, cutting, grinding, polishing all must depend on it. To be sure, Angle grinding machine is used for grinding, because of the high Angle grinder speed, use of saw blade, cutting were cannot bend, or too hard, can't cut more than mm thick hard material, otherwise once the card is dead, will cause the saw blade, cutting piece broken splash, bounce off or machine is out of control, light damage to the goods, or hurt! Please select tooth more high quality blade, and keep hands operation, completes the protective measures. Because it is too dangerous. Angle abrasive disc category a lot, for all kinds of work and a variety of materials, such as: cutting slices (Diamond blade), steel wire wheel brush, polishing, crystal, flowing woodworking circular saw blades, marble cutting piece, aluminium alloy blades. In addition, the grinder is widely used in metal processing and building industry, as well as emergency rescue work. Usually exist in the workshop, garage or auto repair shop. There are many different kinds of Angle grinder, choose a suitable Angle grinder, the most important factor is to choose how much Angle grinding and how powerful motor, are other factors to consider the power electric or pneumatic, speed and size of crankshaft. The greater the greater the Angle grinding, electric power demand. The Angle grinding specifications, special requirements in China there are a lot of enterprises can be customized. And pneumatic Angle grinders are usually smaller, this is determined by the factors pneumatic grinder, pneumatic grinder were lighter and is suitable for the job, with higher precision and pneumatic grinder not including motor, suitable for underwater operation and application is very extensive. Although pneumatic grinder is small, light weight but power is still strong. Electric Angle edge grinding is usually used in large and heavy work. But there are small electric Angle grinder and large pneumatic grinder.