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Yueqing Guanglian Standard Parts Factory
乐清市光连紧固件有限公司(原乐清市光连标准件厂)
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(GB /T 6173 - 2015)
material
Carbon steel
grade, rigidity
grade 6
Coating
zinc plated color
材质:碳钢45#,合金钢40Cr、35CrMo;规格:M16-M90;等级:6级、8级、10级、12级;表面处理:发黑、镀六价铬锌、镀三价铬锌、达克罗、热镀锌。
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GB /T 6173 - 2000
GB 808 - 1988
ISO 8675 - 2012
ISO 8675 - 2001
ISO 8675 - 1999
Q 351B
Q 353C