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Industry Information
Industry Information
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At present, most of the screws are produced in Yongnian County, Hebei Province. Every county in the country has Yongnian who sells standard parts. Standard screws include bolts, screws, studs, nuts, machine screws, self-tapping screws, washers. Ten...
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Mechanical performance standards for common self-tapping screws and self-cutting self-tapping screws
First, the scope of application The SAE J933 standard specifies the mechanical and quality requirements for steel self-tapping screws for automotive and related industries. Not suitable for corrosion resistant steel (stainless steel) screws. Most of...
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In fact, the standard is that there are no screws and nuts. Screws are commonly known as "screws" with external threads. The shape of the nut is usually hexagonal, and the inner hole is internally threaded to match the bolt and tighten the relevant...
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The Russian Timber Construction Association recently released a new standard for the design of connections for screws used in wood construction and externally threaded screws. The standard is also in line with major European standards. In addition,...
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