Self-tapping screw

Self-tapping is the ability of a screw to advance when turned, while creating its own thread.This ability is sometimes created by a gap in the continuity of the thread on the screw. These edges cut a thread as the screw is driven in to the material. The cutting edge drills away the material, leaving a hole for the screw to go into.

A fastener that taps and drills its own hole during application， this save time to drill holes then put screw, they are used widely in construction, than other screws, they are an economical and safey choice to use.

Our company is a manufactory which professional produce the weld pins, with an accidental chance, we got the order for weld pins. at the beginning, we come up against difficulties, we can't produce weld pins automation, we just make weld pins by handwork, By the hard efforts one year, we finally design the machines successfully, now we have 10 set machines, the output is 100000pcs every day for one machine.

Now we export the weld pins to abroad, the place is cold, such as Russia, United States, Canada. Now according to our facility, we can meet any requirement from customer.

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