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Wenzhou Jinjiu Fastener Co.,Ltd.
温州市金久紧固件有限公司
Premium Supplier
15 Years
Main Products
Non-standard bolts
Large size fasteners
Double-ended bolts
T-bolts
Plug screw
Large nuts
Machine Screws
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Hexagon head bolts with hole
(GB 32.1 - 1988)
grade, rigidity
grade 8.8
Coating
black oxide coating
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Similar Products
GB /T 32.1 - 2020
GB /T 32.3 - 2020
GB 32.2 - 1988
GB 32.3 - 1988
GB 25 - 1976
