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Tianjin Shijiyanjin Mechanical & Electrical Equipment Co., Ltd.
天津市世纪燕津机电设备有限公司
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13 Years
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Steel structure hex bolts
One-stop fasteners offering service
High-strength bolts
Washers
Nuts
Studs
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(GB /T 3632 (S) - 2008)
grade, rigidity
grade 10.9
Coating
black oxide coating
材质：碳钢；表面处理：发黑、热镀锌；等级：10.9级；公称直径范围：M16-M30
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GB /T 3632 (S) - 1995
