HANDAN YANLANG FASTENER CO., LTD
Standard: GB/T1228, ASTM F3125, JIS B1186, EN14399-3, AS/NZS1252
Material: Carbon Steel; Alloy Steel
Grade: 10.9S, A325/A490, F10T, 8.8/10.9HR, 8.8
Finish: Black, Zinc, H.D.G, Dacromet
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