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Changzhou Anheng Special Standards Co.,Ltd.
常州安恒特种标准件有限公司
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8 Years
Main Products
Square head bolts
Carriage screws
Non-standard carriage screws
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(GB /T 12 - 2013)
主打
material
Carbon steel
grade, rigidity
grade 4.8
Coating
electroplating
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Similar Products
GB /T 12 - 1988
GB 12 - 1976
ASME/ANSI B 18.5 - 2012
ASME/ANSI B 18.5 - 2008
ASME B 18.5 - 2012 (2017)
