日本KATO無尾螺紋護套是在普通螺紋護套的基礎上開發研制的新型螺紋護套產品，克服傳統螺紋護套安裝柄及安裝效率低的缺點，傳統螺紋護套安裝柄開槽部位不能控制精確，造成尾部不易折斷或過易折斷的現象，去柄時尾端易突起，影響螺紋旋入，嚴重影響產品質量，尾部去除后不易清理，易造成滯留，嚴重時會影響整個產品的質量。
同時傳統的鋼絲螺套在安裝去柄時嚴重影響生產效率，安裝較慢。無尾鋼絲螺套采用螺紋旋轉掛接式安裝工具，充分考慮了安裝的效率，安裝不用去柄，無方向性。
無尾鋼絲螺套的優點
◆KATO無尾鋼絲螺套做為目前世界上先進的無安裝柄鋼絲螺套，具有諸多的優點，最主要就是安裝方便，無方向性、安裝便利，省去普通有尾鋼絲螺套去除安裝柄的繁瑣環節，節省了時間，提高效率！
◆無尾鋼絲螺套安裝工具齊全，包括氣動、電動工具、批量安裝的配套工具支架等，適合大批量的安裝使用，對提高工作效率有非常大的幫助！
KATO Tangless inserts give you all the benefits, features and performance of conventional tanged inserts. In fact, KATO Tangless inserts are identical in form fit and function to conventional tanged inserts. The only thing missing from KATO Tangless inserts are the tangs!
Here is where Tangless CoilThread Inserts stand out from all other helically-coiled inserts. Instead of a tang, tangless inserts feature a unique, ramped driving notch on the inside diameter of the first coil on each end of the insert (see diagram below). To drive the insert we developed an innovative installation tool with a patented, internal, spring -loaded pawl located at the tip of the tools mandrel. During Installation, this hooked pawl locks into the Insert Driving Notch and rotates the insert into the tapped hole. The pawl then retracts into the mandrel to allow the tool to back out of the installed insert.
End View
During Insert Installation
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End View
Tool Leaving Installed Insert
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The spring-loaded pawl within the installation tool engages the driving notch to install the insert. The chamfered ends of the insert allow the insert to smoothly enter the tapped hole.
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Once the insert is driven to the proper depth, the installation tool automatically reverses rotation. The pawl slides back into the tool's recess as the mandrel unscrews from the installed insert
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