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Zhejiang Zhongyu Fasteners Co., Ltd.
浙江中域紧固件有限公司
Premium Supplier
2 Years
Main Products
Hexagon socket head screws
Hexagon countersunk head screws
Round cup inner hexagon grade 12.9
Torx pan head screws
Torx half round head screws
Torx countersunk head screws
Welding screws
Non-standard flat head hexagon
Bell mouth screws
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(GB /T 2674 - 2017)
material
Carbon steel
Coating
zinc plated color
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GB /T 2674 - 2004
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