China Metric series wires GB Standards Search Result

and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days .


	GB/T 22522-2021 Metric series wires for measuring screw threads 测量螺纹用米制系列量针 - 中英文版
	GB/T 39522-2020 Metric series wires for the pitch diameters of screw threads 螺纹中径米制系列量针 - 中英文版

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