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ISO 4762/DIN 912/Csn 021143/Pn 82302/Uni 5931 ANSI/ASME- Hexagon Socket Head Cap Screws - China Fastener, Hardware | Made-in-China.com
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Almag. VITE TESTA CILINDRICA CON ESAGONO INCASSATO - TCEI UNI 5931 - DIN 912 - ISO 4762
DIN 912 / ISO 4762 / UNI 5931 Stainless steel : Hexagon socket conic head bolt - HSCHB.BP