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Ningbo SiTuo Fastener Co., Ltd
宁波思拓紧固件有限公司
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7 Years
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Hex Bolts
Hex Nuts
Hex Socket Cap Screws
Hex Flange Bolts
Wheel Bolts
Wheel Nuts
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(GB 5789 - 1986)
主打
material
Carbon steel
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Similar Products
GB 5790 - 1986
Q 186
EN 1665 (S) - 1997
EN 1665 (R) - 1997
NF E 25-505 - 1997
DIN EN 1665 (S) - 1998
DIN EN 1665 (R) - 1998
ASME B 18.2.3.9M - 2001
ASME B 18.2.3.9M - 2001 (R2014)