Throat hoop is a common part of fastener, and its tightness is very large. It is one of the choices of fastener.

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The following are the differences between American and German laryngeal hoops

American style hose Hoop: it can be divided into iron galvanized and stainless steel. The main difference is that the buckle distance is perforated (i.e. through hole buckle). Stainless steel is the main material in the market. It is mainly used for auto parts and holding pole. The market price is higher than the other two kinds.

German style hose Hoop: it is made of iron and galvanized on the surface. Its buckle distance is formed by stamping. It has high torque, moderate price and low market share restricted by high production cost.