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Ruian Yi Cheng Fastener Factory
瑞安市亿诚紧固件厂
Premium Supplier
6 Years
Main Products
Square taper washers
Round nuts
Retaining rings
Check back
Flat keys
Non-standard customized stamping parts
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(GB 810 - 1988)
material
Carbon steel
Coating
black oxide coating
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Similar Products
GB 812 - 1988
DIN 981 (HM) - 2009
DIN 981 (KM) - 2009
DIN 981 (HM) - 1993
DIN 981 (KM) - 1993
DIN 981 (KM) - 1983
JB 24-59
