Self Tapping Inserts (also known as self threaded inserts or Ensats) are cylindrical metal bushings with internal and external threads and are specially designed to cut their own threads as they are being driven into a drilled hole.
The round drill bit is made of high-quality hard alloy, special heat treatment, sharp cutting edge, high hardness, and durable. Curved head design, sharp teeth and small vibration, can be used quickly and smoothly when opening holes. Universal round shank
The sleeve type pipe joint is a sealed pipe joint suitable for non-corrosive or corrosive medium such as water. They are used by "U" tool to fix. The specification of the aluminum-plastic pipe is relatively flexible. After connecting with the pipe, it has