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Cross Recessed Pan Head Tapping Screw

Self-tapping screw with cross groove disc head refers to self-tapping screw that does not need to be used with nuts. The tooth thread is self-tapping and the tail tip. When the triangular teeth self-extrusion forming screw is screwed into the hole on the plastic metal material, the internal thread is formed in the hole by extrusion and a reliable locking thread connection is formed.