2012-12-25 16:19 Source:未知 Writer: admin
    Tapping screws/sheet metal screws are threaded fasteners with the unique ability to “tap” their own mating internal thread when driven into preformed holes in metallic and non-metallic materials. Tapping screws/sheet metal screws are high strength, one-piece, one-side-installation fasteners. Because they form or cut their own mating thread, there is unusually good thread fit which enhances resistance to their loosening in service. Tapping screws/sheet metal screws can be disassembled and are generally reusable.

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Self tapping screw introduction and specification

Individual refers to the pointed, coarse, hard wood screws, but also for the aluminum alloy, plastic....

Screw processing - surface treatment

Self tapping screw surface treatment through a certain process on the workpiece surface to form a lay...

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