201 german stainless steel hose hoop pipe clamp steel wire rubber hose oxygen acetylene pipe hoop hollow out width 9mm 201德式不锈钢喉箍抱箍管卡钢丝橡胶软管氧气乙炔管箍不镂空宽9MM

The main types of hoop are roughly divided into English, American, and German styles, with additional derivative products such as tubular European standard hoop.

American Standard Throat ClampEnglish-style throat loom: Material isDeutsche Standard Larynx ClampIron surfaceEnglish standard throat clampGalvanized, commonly known as iron galvanized, has moderate torque, low price, and a wide range of applications.

German-style throat clamp: Made of iron with zinc coating, its buckle distance is formed by stamping, with high torque and a moderate to slightly higher price, limited by high production costs, it has a low market share.

American-style throat clamp: There are two types, iron galvanized and stainless steel. The main difference is the spacing of the buckles, which are hole-shaped (i.e., eye buckles). The market is mainly stainless steel, which is mainly used in automotive parts and other high-end markets. The price is higher than the other two.