Used to repair external threads. And when in use, the conical locking hole of the die is aligned with the screw of the wrench and tightened.
My Note: Our products are made of high speed steel, hardness and wear resistance. Perfect threading manufacturing process and good surface heattreatment
Note: Widely used in cast iron, copper, brass, abrasive steel and other metal materials to process thread.
Description
Features & Specifications:
Material: made of high speed steel