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Wenzhou Jinjiu Fastener Co.,Ltd.
温州市金久紧固件有限公司
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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 thick nuts
(GB 56 - 1988)
grade, rigidity
grade 8
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Similar Products
GB 55 - 1976
DIN 6330 - 2003
DIN 6330 - 1991
DIN 6334
JIS B 1181 - 2014
Q 363B
ASME/ANSI B 18.2.2 - 2010
ASME/ANSI B 18.2.2 - 2010
ASME/ANSI B 18.2.2 - 1987 (R1999)
JIS B 1181 - 2004
ASME B 18.2.2 - 2022
ASME B 18.2.2 - 2022
ASME B 18.2.2 - 2015
ASME B 18.2.2 - 2015
