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Self Tapping Screw Thread Rolling
Jun 16, 2016

Triangle teeth since attack screws, and called Type TT Department based on forming screws attack of principle development and into, thread roll into since attack screws has special design of thread and the tail end makes screws can in intermittent of pressure Xia itself roll into tie of Yin thread, while in hole around of material can more easily of fill since attack screws thread and the teeth end of of space, due to its mill wipe force more thread forming since attack screws for small, so can using in more thick of material Shang, rotating by needed of torque better control, and combination Hou strength more high. Thread rolling into its standard definition than the self tapping screw forming or cutting tapping screws material, heat treatment, on the strength of higher and more clearly defined, making self-tapping screws thread rolling a true "construct" fasteners. 0

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