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Suzhou Enchao Fastener Co.,Ltd.
苏州恩超紧固件有限公司
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(GB 7246 - 1987)
主打
material
High-carbon steel
grade, rigidity
grade 12.9
Coating
electroplating
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Similar Products
DIN 128 (B) - 1987
JIS B 1251 (WW/No.3) - 2018
JIS B 1251 (WW/No.3) - 2001
Q 418
CNS 4406 - 1978
