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Ningbo Dahai Fastener Manufacturing Co., Ltd.
宁波市镇海大海紧固件有限公司
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2 Years
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High-strength Bolts
Bolts for Steel Structure
Large Hex. Bolts
Extra Large Size Bolt Stud
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(GB /T 3632 (S) - 1995)
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material
Alloy Steel
grade, rigidity
grade 10.9
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Similar Products
GB /T 3632 (S) - 2008