China National Standards

China screws－Fine GB Standards List

  •  China "screws－Fine" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 70.6-2020 Hexagon socket head cap screws－Fine pitch thread
    内六角圆柱头螺钉 细牙螺纹    		 China National Standards
    screws－Fine
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