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The quality of pipe threading dies are different as per different material, processing technic, heat treatment and surface treatment. How will you do your quality control before you shipping the threading die sets?

Pipe threading dies are one of significant spare parts for pipe threading machines. Your processing on threads types and pipe sizes are as per your pipe threading dies.

For pure material, this is indeed the case: the harder the material, the more resistant it is.

Heat treatment is a significant processing technic in metal cutting tools and spare parts. Hongli threading dies are with high requirement for heat treatment.

Because the additional pressure on the pipe wall is small and it is cost-effective, thread connection is one of the widely used structures in engineering construction.

8 Connection Methods Commonly Used in Building Pipes

Hongli pipe machinery members in production department have a training to leaders of each team every week.
Their expertise determines whether they can produce good pipe machines and tools.

Hangzhou Guanba Machinery Import & Export Co. Ltd is Changed to be Hangzhou Tiger King Pipe Machinery Import & Export Co. Ltd