Black Zinc Hex Socket Pan Self Tapping Screws

Overview Thread forming self tapping screw, screw thread forming self tapping screw) is developed directly by the iron screw, screw thread forming self tapping screw must be drilled in advance when using, then screw in the hole, strong extrusion with female thread, and the materials will be in the position of female squeezed between pin, the call of the thread forming self tapping screw Can only be applied to thin and plastic materials, so the development of thread cutting self tapping screws; Thread cutting self tapping screw (thread cutting self tapping screw) cut one or more cutting holes at the end of the thread, so that when screwing into pre-drilling, the use of screw tail and teeth in a similar way to screw tapping cutting with female thread it can be used in thick plate, more hard or fragile and other difficult to shape materials Product Name: Black Zinc Hex Socket Pan Self Tapping Screws Size: M1.6-M52 Material: SS304, SS316, SS316L, SS2205…

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