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		钢	不锈钢	有色金属
通用技术条件		DIN ISO 8992
螺纹	公差	6H
螺纹	标准	DIN ISO 965-1
机械性能	等级	D＜5mm：按协议； D≥5mm：6 级	A1-50	CuZn2)
机械性能	标准	D＜5mm：按协议； D≥5mm：DIN EN ISO 898-2	DIN EN ISO 3506-2	DIN EN 28839
公差	产品等级	A或B由制造商选择
公差	标准	DIN EN ISO 4759-1
表面处理		未经涂层处理；电镀技术要求按DIN EN ISO 4042	不经处理	不经处理；电镀技术要求按DIN EN ISO 4042
表面处理		如需其他表面处理，应由供需双方协议
表面粗糙度		DIN 267-2
表面缺陷		ISO 6157-2
验收及包装		ISO 3269
1) 使用其他材料或性能类别或特定等级的材料，应由供需双方协议 2) CU3或CU6由制造商选择

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