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Wenzhou Zhanbo Industrial Co., Ltd.
温州展博实业有限公司
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8 Years
Main Products
Flange bolts
Inner hex. bolts
Hex. bolts
non-standard parts
Rolled steel
Thread rolling machine
Cold heading machine
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bolts for hexagonal head reaming holes
(GB /T 27 - 1988)
material
Carbon steel
grade, rigidity
grade 9.8
Coating
zinc black
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Similar Products
GB /T 27 - 2013
GB /T 28 - 2013
GB 28 - 1988
GB 27 - 1976
GB 28 - 1976
