Non-standard screws refer to screws that are not manufactured according to the unified industrial standards and specifications issued by the state, but are designed and manufactured according to their own needs. The specification of non-standard Screw is not within the national standard, and its appearance or performance is not within the national equipment product catalog. It is a special size, and is generally used for the application of less parts.
Non-Standard Custom Bolts,Non Standard Custom Bolts,Non-Standard Customized Bolt,Non Standard Customized Bolt
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