China National Standards

China boltingwith GB Standards List

  •  China "boltingwith" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 18230.4-2000 Hexagon nuts for structural boltingwith large width across flats，style 1--Product grade B--Property class 10
    栓接结构用1型大六角螺母 B级 10级    		 China National Standards
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