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Yuyao No.2 Standard Fastener Factory
余姚市高中压标准件二厂
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13 Years
Main Products
GB798/DIN444
Non-standard sphere parts
High/medium strength fasteners
Valve fasteners
high-temperature&strength fasteners
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unsound knotted bolts
(GB 798 - 1988)
material
Carbon steel
grade, rigidity
grade 4.8
Coating
nickel
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Similar Products
GB /T 798 - 2021
GB 798 - 1976
DIN 444 - 2017
DIN 444 - 1983
Q 190
Q 191
UNI 6058
