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Jiangxi Shengnan hardware Co., Ltd.
江西盛南五金有限公司
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15 Years
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Hexagonal Set Screw
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Slotted cutting-edge tight set screws-Grade 12.9
(GB 71 - 1985)
material
Alloy Steel
grade, rigidity
grade 12.9
Coating
black oxide coating
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Similar Products
GB /T 71 - 2018
DIN 553 - 1986
ISO 7434 - 1983
DIN EN 27434 - 1992
