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Shanghai Yongyi Fasteners Co., Ltd.
上海永矣紧固件有限公司
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8 Years
Main Products
Pins
Washers
Combined screws
Nuts
Non-standard fasteners
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(GB 812 - 1988)
material
Alloy Steel
grade, rigidity
grade 8
Coating
black oxide coating
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Similar Products
GB 810 - 1988
DIN 981 (HM) - 2009
DIN 981 (KM) - 2009
DIN 981 (HM) - 1993
DIN 981 (KM) - 1993
DIN 981 (KM) - 1983
JB 24-59
